September 2026 Book Releases: Fall Into New Stories & Unforgettable Adventures 🍂📚

THANH VY VUONG

Hello, Book Lovers! 🍂📖

September always feels like a new chapter. Summer is slowly waving goodbye, the air begins to feel a little different, and those first hints of autumn make us want to reach for cozy blankets, warm drinks, and a book we absolutely cannot put down.

For bookaholics, this is also the season of the TBR reset. Maybe you spent summer devouring books one after another, or perhaps your reading pace slowed down while life kept you busy. Either way, September is the perfect excuse to start fresh. So, what kind of reading mood are you stepping into this fall? Are you craving an addictive fantasy, an atmospheric adventure, or a story that keeps you turning pages long after bedtime?

This month gives us plenty of reasons to get excited, especially with three new releases from our collaborating authors joining the reading lineup.

The Mirror of Infinite Endings by Stephanie Garber

If you love stories filled with mystery, wonder, and beautifully strange worlds, The Mirror of Infinite Endings is a September release to keep on your radar. Stephanie Garber has a talent for creating stories that feel almost like stepping through a secret doorway—and this new adventure offers another opportunity to lose yourself somewhere wonderfully unexpected.

🌙 The Knave and the Moon by Rachel Gillig

Fantasy readers, prepare for another atmospheric adventure from Rachel Gillig. The Knave and the Moon brings the kind of immersive storytelling and intriguing world-building that makes it wonderfully easy to forget you're supposed to be doing anything other than reading. If you're looking for a book to welcome the darker, moodier side of fall, this one belongs on your list.

⚔️ Threshing Day by Rebecca Yarros

Rebecca Yarros returns with Threshing Day, giving readers another reason to be excited about September. For fans who love high-stakes stories, powerful emotions, and characters who make it impossible to read "just one more chapter," this is a release worth making room for on your TBR.

🍁 Your September Reading Reset

As the seasons change, your reading routine can change with them. Instead of setting yourself an ambitious number of books to finish, try choosing three reading moods for the month—perhaps one comfort read, one book completely outside your usual genre, and one highly anticipated new release.

The goal isn't to race through your TBR. It's to make your reading time something you genuinely look forward to. A quiet evening, your favorite drink, a comfortable reading spot, and a story that has completely captured your attention—that sounds like a pretty perfect September to us.

✨ A New Season, A New Stack

September is here to remind us that there's always another story waiting to surprise us. Whether one of these new releases immediately claims a place at the top of your TBR or you discover another unexpected favorite along the way, embrace the adventure and let your reading journey unfold at its own pace.

And if you're the kind of reader who loves carrying a little piece of your favorite fictional worlds beyond the pages, you can always take a peek at our officially licensed book-inspired collections and discover designs created for fellow book lovers.

Here's to crisp-air reading, overflowing TBRs, and a September full of stories worth staying up late for. Happy reading, bookaholics! 🍂✨📚

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Expected publication September 1, 2026

The Knave and the Moon by Rachel Gillig

Rachel Gillig, the queen of gothic romantasy, returns with higher stakes, darker mysteries, and deeper longings in this gorgeous sequel to the #1 New York Times bestselling sensation The Knight and the Moth.

Aisling Cathedral is in ruins. Rodrick Myndacious, Bartholomew, and Maude Bauer are rumored to be dead—and the king has taken Sybil Delling as his bride. To show off their union and solidify his power over Traum, Benji proposes a series of tournaments throughout the hamlets. Captive and drugged, Sybil remains determined to vanquished him as she once did the Omens, even if she destroys the kingdom’s faith—and herself—in the process.

Read more on Goodreads

Expected publication September 15, 2026

Dead Beat by Leigh Bardugo

The highly anticipated, explosive conclusion to the Ninth House trilogy from #1 New York Times bestselling author Leigh Bardugo.

Hell is empty and all the devils are here…
Alex Stern made it to hell and back more than once, but this time she left the door open behind her. Demons are creeping through the streets of New Haven and the Yale campus, feeding on the souls of the living, terrifying the dead. Alex and her allies can hunt them, but it’s only a matter of time before the gates to the underworld open and they face a war they cannot win. To stop it, they’ll have to reach deep into the secrets of Yale and its societies, and discover the truth hidden in Alex’s own blood.

Read more on Goodreads

Expected publication September 15, 2026

Grim Tidings by B.K. Borison

From #1 New York Times bestselling author B.K. Borison comes a new whimsical, haunting romance. When a runaway grim reaper tries to save a life, she clashes with a skeptical Guardian, forcing them to form an unlikely partnership beyond the grave.

Darcy Moore is tired of death. Which would be fine and good ... if she wasn’t a Grim Reaper. Determined to outrun her designation as the villain, Darcy decides she won’t be dragging her next assignment to the underworld. She’ll be saving him instead.

Read more on Goodreads

Expected publication September 22, 2026

The ​Mirror of Infinite Endings by Stephanie Garber

The #1 NEW YORK TIMES BESTSELLING Once Upon a Broken Heart series continues… Return to the Magnificent North and the BREATHTAKING LOVE STORY that has captivated readers all over the world!

Read more on Goodreads

Expected publication September 29, 2026

Threshing day by Rebecca Yarros

The next book in the blockbuster Empyrean series, Threshing Day contains thirteen stories starring your favorite characters and their dragons. The deluxe first edition includes sixteen beautiful original full-color illustrations by artist Joe Requeza. This breathtaking collectible is available only in the US and Canada while supplies last.

Read more on Goodreads

Happy Reading

- The Bean Workshop