10 Popular Fantasy Book Series to Read for Series September

10 Popular Fantasy Book Series to Read for Series September

Celebrate Series September with 10 popular fantasy book series, including magical romantasy adventures and cozy fantasy favorites.

September always feels like the beginning of a new reading season. Summer is winding down, autumn is starting to peek around the corner, and suddenly those sprawling fantasy worlds, magical adventures, and enchanting romances sound especially appealing.

It is also the perfect time to celebrate Series September, a month dedicated to diving into book series, catching up on ones you have already started, finishing that series that has been on your list for months, or finally beginning those popular series that have been sitting on your TBR.

Fantasy is especially well suited for a month of series reading. Instead of leaving a magical world behind after a few hundred pages, you can spend multiple books getting to know the characters, exploring the world, and watching a much bigger story unfold. And with so many different types of fantasy series available, your September TBR can be as adventurous or cozy as you want it to be.

For readers craving romance alongside their magic, romantasy series offer sweeping love stories, dangerous quests, magical kingdoms, court intrigue, and plenty of tension. If September has you longing for something a little gentler, cozy fantasy series bring charming settings, comforting friendships, whimsical magic, and lower-stakes stories that feel right at home with the beginning of cozy season.

Whether you are ready to commit to an epic adventure or settle into an enchanting world you will not want to leave, these 10 popular fantasy book series are perfect additions to your Series September reading list.

10 Addictive Fantasy Book Series to Binge for Series September

If a book has my review, just click the button in its profile to read it.

Belladonna

by Adalyn GraceGoodReads Nominee for Favorite YA Fantasy & Science Fiction 2022
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Series:#1 in Belladonna Series
GoodReads:3.93
My Score:
Spice:None

Book Summary

Nineteen-year-old Signa Farrow, orphaned as a baby, has been raised by a string of guardians, each more interested in her wealth than her well-being—and each has met an untimely end. Her last remaining relatives are the Hawthornes, an eccentric family living at the glittering and gloomy estate of Thorn Grove. Thorn Grove’s patriarch, Elijah, mourns his late wife, Lillian, through wild parties and drink, while eldest son Percy grapples for control of the family’s waning reputation and daughter Blythe suffers from the same mysterious illness that killed her mother. And when Lillian’s spirit confronts Signa and claims she was poisoned, Signa realizes that Blythe could be next to die.

Signa’s best chance of uncovering the culprit and solving Lillian’s murder is an alliance with Death himself—the very man she hates most. And Death, that fascinating, dangerous shadow who has never been far from her side, shows her that their connection may be more powerful than she ever dared imagine.

Powerless

by Lauren RobertsGoodReads Nominee for Favorite Young Adult Fantasy & Science Fiction 2023
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Series:#1 in The Powerless Series
GoodReads:4.13
My Score:N/A
Spice:None

Book Summary

She is the very thing he’s spent his whole life hunting.
He is the very thing she’s spent her whole life pretending to be.

Only the extraordinary belong in the kingdom of Ilya—the exceptional, the empowered, the Elites.

The powers these Elites have possessed for decades were graciously gifted to them by the Plague, though not all were fortunate enough to both survive the sickness and reap the reward. Those born Ordinary are just that—ordinary. And when the king decreed that all Ordinaries be banished in order to preserve his Elite society, lacking an ability suddenly became a crime—making Paedyn Gray a felon by fate and a thief by necessity.

Surviving in the slums as an Ordinary is no simple task, and Paedyn knows this better than most. Having been trained by her father to be overly observant since she was a child, Paedyn poses as a Psychic in the crowded city, blending in with the Elites as best she can in order to stay alive and out of trouble. Easier said than done.

When Paeydn unsuspectingly saves one of Ilyas princes, she finds herself thrown into the Purging Trials. The brutal competition exists to showcase the Elites’ powers—the very thing Paedyn lacks. If the Trials and the opponents within them don’t kill her, the prince she’s fighting feelings for certainly will if he discovers what she is—completely Ordinary.

The Prison Healer by Lynette Noni

The Prison Healer

by Lynette Noni
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Series:#1 in The Prison Healer Triology
GoodReads:4.16
My Score:N/A
Spice:None

Book Summary

Seventeen-year-old Kiva Meridan has spent the last ten years fighting for survival in the notorious death prison, Zalindov, working as the prison healer.

When the Rebel Queen is captured, Kiva is charged with keeping the terminally ill woman alive long enough for her to undergo the Trial by Ordeal: a series of elemental challenges against the torments of air, fire, water, and earth, assigned to only the most dangerous of criminals.

Then a coded message from Kiva’s family arrives, containing a single order: “Don’t let her die. We are coming.” Aware that the Trials will kill the sickly queen, Kiva risks her own life to volunteer in her place. If she succeeds, both she and the queen will be granted their freedom.

But no one has ever survived.

With an incurable plague sweeping Zalindov, a mysterious new inmate fighting for Kiva’s heart, and a prison rebellion brewing, Kiva can’t escape the terrible feeling that her trials have only just begun.

Keeper of Enchanted Rooms

by Charlie N. Holmberg
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Series:#1 in The Whimbrel House Series
GoodReads:4.11
My Score:
Spice:None

Book Summary

Rhode Island, 1846. Estranged from his family, writer Merritt Fernsby is surprised when he inherits a remote estate in the Narragansett Bay. Though the property has been uninhabited for more than a century, Merritt is ready to call it home—until he realizes he has no choice. With its doors slamming shut and locking behind him, Whimbrel House is not about to let Merritt leave. Ever.

Hulda Larkin of the Boston Institute for the Keeping of Enchanted Rooms has been trained in taming such structures in order to preserve their historical and magical significance. She understands the dangers of bespelled homes given to tantrums. She advises that it’s in Merritt’s best interest to make Whimbrel House their ally. To do that, she’ll need to move in, too.

Prepared as she is with augury, a set of magic tools, and a new staff trained in the uncanny, Hulda’s work still proves unexpectedly difficult. She and Merritt grow closer as the investigation progresses, but the house’s secrets run deeper than they anticipated. And the sentient walls aren’t their only concern—something outside is coming for the enchantments of Whimbrel House, and it could be more dangerous than what rattles within.

Assistant to the Villain by Hannah Nicole Maehrer

Assistant to the Villain

by Hannah Nicole MaehrerGoodReads Nominee for Favorite Romantasy 2023
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Series:#1 in The Assistant to the Villain Series
GoodReads:3.93
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Spice:None

Book Summary

ASSISTANT WANTED: Notorious, high-ranking villain seeks loyal, levelheaded assistant for unspecified office duties, supporting staff for random mayhem and terror, and other Dark Things In General. Discretion a must. Excellent benefits.

With an ailing family to support, Evie Sage’s employment status isn’t just important; it’s vital. So when a mishap with Rennedawn’s most infamous Villain results in a job offer, naturally, she says yes. No job is perfect, of course, but even less so when you develop a teeny crush on your terrifying, temperamental, and undeniably hot boss. Don’t find evil so attractive, Evie.

But just when she’s getting used to severed heads suspended from the ceiling and the odd squish of an errant eyeball beneath her heel, Evie suspects this dungeon has a huge rat…and not just the literal kind. Because something rotten is growing in the kingdom of Rennedawn, and someone wants to take the Villain―and his entire nefarious empire―out.

Now Evie must not only resist drooling over her boss but also figure out exactly who is sabotaging his work…and ensure he makes them pay.

After all, a good job is hard to find.

The Spellshop

by Sarah Beth DurstGoodReads Nominee for Favorite Romantasy 2024
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Series:#1 in Spellshop Series
GoodReads:4
My Score:
Spice:None

Book Summary

Kiela has always had trouble dealing with people, and as librarian at the Great Library of Alyssium, she hasn’t had to.

She and her assistant, Caz, a sentient spider plant, have spent most of the last eleven years sequestered among the empire’s precious spellbooks, protecting the magic for the city’s elite. But a revolution is brewing and when the library goes up in flames, she and Caz steal whatever books they can and flee to the faraway island where she grew up. She’s hoping to lay low and figure out a way to survive before the revolution comes looking for her. To her dismay, in addition to a nosy—and very handsome—neighbor, she finds the town in disarray.

The empire with its magic spellbooks has slowly been draining power from the island, something that Kiela is indirectly responsible for, and now she’s determined to find a way to make things right. Opening up a spell shop comes with its own risks—the consequence of sharing magic with commoners is death. And as Kiela comes to make a place for herself among the quirky townspeople, she realizes that in order to make a life for herself, she must break down the walls she has kept so high.

Legends & Lattes

by Travis BaldreeGoodReads Nominee for Favorite Fantasy 2022
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Series:#1 in Legends & Lattes Series
GoodReads:4.03
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Book Summary

After a lifetime of bounties and bloodshed, Viv is hanging up her sword for the last time.

The battle-weary orc aims to start fresh, opening the first ever coffee shop in the city of Thune. But old and new rivals stand in the way of success — not to mention the fact that no one has the faintest idea what coffee actually is.

If Viv wants to put the blade behind her and make her plans a reality, she won’t be able to go it alone.

But the true rewards of the uncharted path are the travelers you meet along the way. And whether drawn together by ancient magic, flaky pastry, or a freshly brewed cup, they may become partners, family, and something deeper than she ever could have dreamed.

Wormwood Abbey by Christina Baehr

Wormwood Abbey

by Christina Baehr
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Series:#1 in The Secrets of Ormdale Series
GoodReads:4.14
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Spice:None

Book Summary

As a Victorian clergyman’s daughter, Edith Worms has seen everything — until a mythical salamander tumbles out of the fireplace into her lap. When a letter arrives from estranged relatives, Edith is swept away to a crumbling Gothic Abbey in the wilds of Yorkshire.

Wormwood Abbey isn’t just full of curious beasts and ancient family secrets: there’s also a tall, dark, and entirely too handsome neighbour who is strangely reluctant for her to leave.

An unexpected bond with her prickly cousin Gwendolyn gives Edith a reason to stay in this strange world — especially when it turns out that Edith herself may have a role in guarding her family’s legacy.

But not all of the mysteries of Ormdale are small enough to fit in her lap…and some of them have teeth.

Fierce Heart by Tara Grayce

Fierce Heart

by Tara Grayce
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Series:#1 in The Elven Alliance Series
GoodReads:4.08
My Score:N/A
Spice:None

Book Summary

Essie would do anything for her kingdom…even marry an elf prince she just met that morning.

When a diplomatic meeting goes horribly wrong, Essie, a human princess, finds herself married to the elf prince and warrior Laesornysh. Fitting in to the serene, quiet elf culture might be a little difficult for this talkative princess, but she’s determined to make it work.

With impending war and tenuous alliances, it will be up to Essie to unite her two peoples. And maybe get her hands on elven conditioner while she’s at it.

Evergreen Academy by Heather Schneider

Evergreen Academy

by Heather Schneider
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Series:#1 in The Society of Magical Botanists Series
GoodReads:4.22
My Score:N/A
Spice:None

Book Summary

Welcome to Evergreen Academy, the secret college for Magical Botanists.

I’d always sensed something peculiar about the reclusive Evergreen Academy, tucked deep in the woods of my hometown. But I never could have imagined it was a college for magical botanists–and that I am one of them.

An invitation to the academy opens up a whole new world of wonder, yet my plant affinity powers remain elusive, and my scientific training is far behind that of my peers.

When I’m assigned a tutor, Callan Rhodes, a powerful descendant of the academy’s founders, I’m baffled by his willingness to help me.

Despite my challenges, I’m enchanted by the academy’s glass schoolhouse, its grounds, which are overflowing with plants that defy the climate, and the quirky festivals held each equinox and solstice.

But disaster looms as the verdant shield that protects the academy from the prying eyes of nonmagical people begins to falter. Can Callan and the other founders’ descendants sustain the magic on their own, or will the clock finally start to tick on figuring out my powers?

Final Thoughts

Series September is the perfect excuse to stop staring at all those unfinished and unread fantasy series on your shelves and finally spend some time exploring them.

You can devote the entire month to one long fantasy series, sample the first books from several different worlds, or mix romantasy adventures with cozy fantasy whenever you need something lighter. There is no right way to participate. The fun is simply spending September getting lost in stories that continue beyond a single book.

It is also a great time to embrace the gradual shift into autumn reading. Romantasy can bring the adventure, intrigue, magic, and darker atmosphere many readers start craving this time of year, while cozy fantasy offers all the comforting vibes of the approaching season.

However you build your September TBR, these fantasy series offer plenty of magical worlds to explore as we head into one of the coziest reading seasons of the year.

Happy Reading!

Kelly Matsudaira
About Kelly

Books have been a part of my life for as long as I can remember, and today, I read more than 150 each year. Through Bookmarks ‘n Blankets, I love sharing my reading journey, favorite book lists, and reading tips to help you make the most of your own reading life.

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