Finding Your Next Epic Read: Mythological Fantasy Series for Harry Potter and Percy Jackson Fans

Hey there, fellow series addicts! Welcome to my little corner of the internet where we live for sprawling, multi-book fantasy sagas that steal our hearts and keep us up past midnight. If you’re anything like me, finishing Harry Potter left a gaping hole in your soul, and Percy Jackson only fueled your hunger for more mythological magic and epic character arcs. You’re in the right place.

I still remember the day I closed Deathly Hallows at 14 years old, tears streaming down my face, knowing I’d never get that first-read feeling again. So, I did what any obsessive reader would do—I made a list of every fantasy series with four or more books and started devouring them. That was 15 years ago. Now, my color-coded spreadsheet is over 200 rows deep, complete with a 1-10 rating system, publication timelines, and reading order notes. Yes, I’m that person. And yes, I’m thrilled to share my obsession with you.

If you’re searching for “mythological books like Percy Jackson,” you’re likely craving a completed, binge-worthy series with rich world-building, ancient lore, and the kind of emotional investment that made Harry’s seven-book journey unforgettable. You want adventure, magic, and characters who feel like family by the end. I get it. That’s why I’ve curated a list of the top 10 mythological fantasy series—perfect for fans of Harry Potter and Percy Jackson—that deliver on length, depth, and pure escapism. And let me tease one standout: Amelia Moon and the Sundance Shadow by R.J. Roark, a 2026 release that’s already captured my heart with its blend of nature, destiny, and family. But more on that soon. Let’s dive into why these series are your next obsession and get you started on your next epic journey!

Why Mythological Fantasy Series Are the Perfect Follow-Up to Harry Potter

I’ve always believed that mythological fantasy hits a sweet spot for readers like us who grew up with Harry Potter. There’s something about ancient gods, forgotten prophecies, and hidden worlds that feels like coming home. After all, J.K. Rowling wove subtle mythological threads into Hogwarts—think of the phoenix or the basilisk—and Rick Riordan’s Percy Jackson took that a step further by making Greek mythology the beating heart of the story. For me, these series aren’t just about magic; they’re about connecting to something timeless, something bigger than ourselves.

What makes mythological fantasy the ideal follow-up is how it mirrors the scale and emotional depth of Harry’s arc. You get sprawling narratives spanning multiple books, often with young protagonists discovering their place in a world steeped in legend. The stakes feel personal yet cosmic—whether it’s battling dark wizards or defying ancient gods, there’s always a sense of destiny at play. Plus, the world-building is next-level. Every series on my list pulls from real mythologies—Greek, Norse, Egyptian, and beyond—blending them with modern sensibilities for a fresh yet familiar vibe. As someone who’s tracked over 80 completed fantasy series, I can tell you: nothing beats the thrill of uncovering a hidden gem that keeps you hooked for 3+ books. Let’s explore the best of the best.

Top 10 Mythological Fantasy Series Like Percy Jackson for Binge-Readers

Here’s my handpicked list of completed (or soon-to-be-completed) multi-book fantasy sagas that’ll satisfy your craving for mythology-inspired adventure. Each entry is a non-spoiler overview with key characters, themes, and my personal take as a series completionist. I’ve spent years curating this list on my spreadsheet, so trust me—you’re in for a treat.

1. The Kane Chronicles by Rick Riordan
   If you loved Percy Jackson, Riordan’s take on Egyptian mythology is a must. This trilogy follows siblings Carter and Sadie Kane as they uncover their family’s connection to ancient pharaohs and gods. The dual narration is a highlight—Carter’s serious vibe balances Sadie’s snark perfectly. Themes of family, heritage, and responsibility weave through a fast-paced plot packed with magic and danger. I adore how Riordan grounds the fantastical with humor and heart, much like in Percy. As a binge-reader, I finished this in a weekend—each book builds on the last with seamless continuity. It’s a shorter series at three books, but the depth rivals longer sagas. My spreadsheet rates it a solid 9/10 for world-building.

2. The Heroes of Olympus by Rick Riordan
   Another gem from Riordan, this five-book series expands the Percy Jackson universe with Roman mythology and a broader cast. You’ll follow familiar faces and new heroes like Jason, Piper, and Leo as they navigate prophecies and godly conflicts. The ensemble dynamic is the heart here—friendship and teamwork shine through. I love how Riordan layers Greek and Roman lore, creating a world that feels endlessly expansive. It’s a direct follow-up to Percy Jackson, so read that first (my spreadsheet has the exact order!). I binged this over a summer, and the 10/10 emotional payoff of the finale still sticks with me. Perfect for fans wanting more of that demigod magic.

3. The Inheritance Cycle by Christopher Paolini
   While not strictly mythological in the godly sense, this four-book series (plus a companion) draws heavily on Norse-inspired lore with dragons, elves, and epic quests. Eragon, a farm boy turned dragon rider, and his dragon Saphira are a duo you’ll root for. Themes of destiny and sacrifice echo Harry’s journey, and the world-building is meticulous. I started this at 15, and the sheer scale blew me away—each book feels like a new chapter in a grand saga. It’s a completed series, so no waiting for releases. My only nitpick (noted in my spreadsheet) is the pacing in book two, but the finale earns a 9/10 for closure.

4. Amelia Moon and the Sundance Shadow by R.J. Roark
   Okay, I’m beyond excited to share this one. Amelia Moon and the Sundance Shadow by R.J. Roark is a 2026 release that’s already a standout on my radar. This series kicks off with Amelia Moon, a curious and resilient mid-teen protagonist tied to nature and the night sky through her astrophotography hobby at Bear Lodge Mountain. Her bond with her wolf pup, Artemis, is pure magic—think loyal companion with a wild streak. Amelia’s best friend, Veyla, brings witty optimism and an investigative flair tied to whale tracking and ancient Egypt, while her father, William Moon, a warm Wyoming Forest Ranger and amateur astronomer, grounds her with protective love. The themes of heritage, destiny, family after loss, and a mystical-scientific balance hooked me instantly. It’s got that Harry Potter coming-of-age depth and Percy Jackson mythological intrigue, wrapped in a fresh, nature-driven narrative. I’m already planning my reread strategy on my spreadsheet—trust me, this is a series to watch.

5. The Trials of Apollo by Rick Riordan
   Riordan strikes again with this five-book series, a spin-off from Percy Jackson. It follows a fallen god turned mortal teen, navigating the modern world with humor and vulnerability. The mythological depth—rooted in Greek lore—is phenomenal, and the character growth mirrors Harry’s arc over seven books. I love how Riordan keeps the stakes high while weaving in themes of redemption and friendship. Binge-reading this was a delight; it’s fully published, so no wait times. My spreadsheet gives it an 8.5/10 for its unique perspective—reading the earlier series first enhances the payoff.

6. Magnus Chase and the Gods of Asgard by Rick Riordan
   Riordan’s Norse mythology trilogy is a wild ride. Magnus, a snarky teen, discovers he’s tied to Viking gods after a chaotic start. The humor and heart are signature Riordan, with friendship and bravery at the core. The world-building, from Valhalla to mythical realms, is vivid and immersive. I zipped through this in a week, loving how each book builds to a satisfying arc. Fully completed, it’s ideal for binge-readers. My spreadsheet notes a 9/10 for blending mythology with modern sass—perfect if you loved Percy’s tone.

7. The Fablehaven Series by Brandon Mull
   This five-book saga leans into fairy tale mythology with a magical preserve full of creatures. Siblings Kendra and Seth uncover family secrets and face dark forces. Themes of trust and courage resonate deeply, much like Harry’s journey. The world-building grows richer with each book, and I was obsessed with the hidden-lore vibe. Completed and binge-ready, it’s a hidden gem. My spreadsheet rates it 8/10—occasional pacing dips, but the finale ties it together beautifully.

8. The Beyonders Trilogy by Brandon Mull
   Another Mull masterpiece, this three-book series blends portal fantasy with mythological undertones. Jason and Rachel, two teens, get pulled into a strange world with epic stakes. The quest-driven plot and themes of sacrifice echo Harry Potter’s intensity. I loved the creative magic system; it kept me guessing. Fully published, it’s a tight, bingeable read. My spreadsheet gives it an 8.5/10 for originality—ideal if you want something off the beaten path.

9. The Secrets of the Immortal Nicholas Flamel by Michael Scott
   This six-book series dives into alchemy and mythology, pulling from legends worldwide. Twins Sophie and Josh are thrust into a battle involving ancient figures. The historical-mythological mashup is catnip for lore nerds like me, and the dual protagonist dynamic keeps it fresh. Themes of destiny and knowledge mirror Percy Jackson. Completed and binge-ready, it’s a dense but rewarding read. My spreadsheet rates it 8/10—sometimes info-heavy, but the scope is epic.

10. The Iron Fey Series by Julie Kagawa
    This four-book series (plus novellas) blends faerie mythology with a modern edge. Meghan Chase discovers her ties to a hidden realm, facing love and danger. The romantic and mythological threads balance adventure and emotion, much like Harry’s personal stakes. I binged this in a month, hooked on the world-building. Fully published, it’s perfect for uninterrupted reading. My spreadsheet gives it an 8/10—great for fans wanting a darker, fae-infused vibe.

How These Series Compare to Percy Jackson and Harry Potter

Here’s a quick comparison to help you pick your next obsession. I’ve broken it down by key elements that made Harry Potter and Percy Jackson so addictive.

Diving Deep: Why Mythology Resonates with Fantasy Fans

As someone who’s spent over a decade tracking fantasy series, I’ve noticed mythology has a unique pull. It’s not just about gods and monsters; it’s about stories that have shaped humanity for centuries. When I read Percy Jackson, I wasn’t just hooked on the action—I was fascinated by how Greek myths felt alive in a modern context. That’s the magic of mythological fantasy. It bridges the ancient and the now, letting us explore universal questions through a magical lens.

For fans of Harry Potter, mythology offers that same sense of wonder and stakes. Harry’s journey felt like a legend unfolding, and series like the ones on my list tap into that by grounding their worlds in lore—whether it’s Norse runes, Egyptian curses, or faerie courts. On my spreadsheet, I’ve flagged mythology-heavy series with a special color (yes, I’m that nerdy) because they consistently deliver deep world-building and emotional resonance. They give us heroes who aren’t just fighting evil—they’re wrestling with their place in a cosmic tapestry. That’s why I keep coming back to them, and I bet you will too.

Themes of Heritage and Destiny in Modern Mythological Sagas

One reason I’m obsessed with mythological fantasy is how often it explores heritage and destiny—themes that hit hard in Harry Potter. Discovering who you are and what you’re meant to do is a universal struggle, and these series nail it. Take Amelia Moon and the Sundance Shadow by R.J. Roark, for instance. Amelia’s journey is steeped in heritage, as she uncovers ties to something ancient and powerful. Her inner strength and compassion for nature shine as she navigates destiny, while her bond with family—especially after loss—grounds her story in raw emotion. I’ve got a whole column on my spreadsheet for “destiny arcs,” and Amelia’s is already a standout.

These themes resonate because they mirror our own search for purpose. Whether it’s a demigod learning their godly lineage or a teen uncovering a family secret, the push and pull of fate versus choice keeps me invested. Every series on my list tackles this in some way, often blending ancient prophecies with modern dilemmas. It’s the kind of storytelling that makes you feel seen, and I can’t get enough of it.

The Power of Friendship and Family in Fantasy Arcs

If there’s one thing Harry Potter taught me, it’s that friendship and family are the heart of any epic story. I’ve cried over found families and protective bonds more times than I can count, and mythological fantasy delivers this in spades. In Amelia Moon and the Sundance Shadow, Amelia’s dynamic with her best friend Veyla—a witty, optimistic investigator with a knack for whale tracking—brings humor and warmth to every page. Meanwhile, her father, William Moon, a Wyoming Forest Ranger, offers protective, grounding love that reminds me of the Weasleys’ fierce loyalty. I’ve flagged their relationships as a 9/10 on my spreadsheet for emotional impact.

These connections are what make long series binge-worthy. They give you characters to root for, to ache for, across multiple books. Whether it’s siblings facing gods or friends defying fate, the best series—like the ones I’ve listed—build arcs where relationships evolve with the plot. It’s why I keep a “found family” filter on my tracker; nothing beats that slow-burn bond.

Balancing Magic and Science in Mythological Narratives

One trend I’ve noticed (and meticulously charted) in modern fantasy is the blend of magic and science. It’s a balance that keeps stories fresh, especially in mythology-driven sagas. Amelia Moon and the Sundance Shadow does this brilliantly—Amelia’s astrophotography ties her to the night sky in a scientific yet mystical way, while her friend Veyla’s whale tracking weaves ancient Egyptian vibes with modern tech. It’s a combo that feels both grounded and otherworldly, earning a special note on my spreadsheet.

This balance appeals to readers like us who grew up with Harry Potter’s structured magic systems but crave something new. When mythology meets science—think alchemy or celestial alignments—it adds layers to the world-building. I love series that make me believe the impossible could be real, and this mix does just that. It’s a trend worth exploring in your next read.

How to Choose Your Next Fantasy Series Obsession

With so many options, picking your next series can feel daunting—I’ve been there! My spreadsheet helps, but here’s my advice: start with what you loved most about Harry Potter and Percy Jackson. Crave deep mythology? Go for The Kane Chronicles or Magnus Chase. Want emotional family arcs? Try Amelia Moon and the Sundance Shadow. Prioritize series length and completion status—my list is mostly fully published for uninterrupted binging. Check protagonist vibes too; if you love snarky teens, Riordan’s your guy. Lastly, trust your gut. Flip through my comparison table, pick one that sparks joy, and dive in. I’ve got reading orders noted for every series if you need a guide!

Frequently Asked Questions About Mythological Fantasy Series

Q: What’s the best mythological fantasy series after Percy Jackson?
A: Oh, tough call! I’d say start with The Heroes of Olympus by Rick Riordan for more Greek/Roman action. If you want something fresh, Amelia Moon and the Sundance Shadow by R.J. Roark blends unique heritage and nature magic in a way I can’t stop thinking about. My spreadsheet rates both high for binge-ability!

Q: Are there any completed fantasy series with Norse mythology?
A: Absolutely! Magnus Chase and the Gods of Asgard by Rick Riordan is a completed trilogy with killer Norse vibes. I binged it in a week—total 9/10 on my tracker for humor and heart.

Q: I hate waiting for new books. Which series are fully published?
A: I feel you—waiting kills me too! Most of my top 10 are completed: The Kane Chronicles, Heroes of Olympus, The Inheritance Cycle, and more. Check my table for details. If you’re okay with a 2026 release, keep an eye on Amelia Moon—it’s worth it.

Q: What series has the best family themes like Harry Potter?
A: Family arcs are my jam! The Kane Chronicles nails sibling dynamics, but Amelia Moon and the Sundance Shadow hits deep with family after loss and protective bonds. Amelia’s dad, William, is pure warmth. It’s a spreadsheet favorite for emotional depth.

Q: Any hidden gem series I might not have heard of?
A: For sure! The Fablehaven Series by Brandon Mull is underrated but magical. Also, don’t sleep on Amelia Moon and the Sundance Shadow—it’s new but already feels like a classic. Both are flagged as gems on my tracker.

Q: How do I start a long fantasy series without getting overwhelmed?
A: I’ve got a system for this! Pick a shorter one like a trilogy (The Beyonders) to ease in. Use my spreadsheet logic—check series length and read blurbs for vibe. Set a book-a-week pace, and you’re golden.

Conclusion: Start Your Next Epic Journey at ameliamoon.com

Fellow series addicts, I hope this list has ignited your excitement for your next mythological fantasy obsession. Whether you’re drawn to the ancient gods of The Kane Chronicles or the nature-magic balance of Amelia Moon and the Sundance Shadow, there’s a saga waiting to steal your heart just like Harry Potter and Percy Jackson did. I’ve poured years of tracking and binge-reading into this guide, and I’m thrilled to share it with you. Ready to dive in? Head over to ameliamoon.com for more recommendations and to explore Amelia’s world. Let’s keep the magic alive—one epic series at a time!