September 2025's biggest books

Believe it or not, the BIG book season is finally upon us. Some of the BIGGEST and most anticipated books of the year arrive on physical and digital shelves this September.

Check out a handful of picks and make sure to check the Libby app to see what’s available at your local library.

Wild Reverence by Rebecca Ross
🎧 Audiobook

Ross returns to the world of her blockbuster Letters of Enchantment series for this latest tale. This time, readers can follow the goddess Matilda and the lord of the river, Vincent, on a star-crossed path. They originally meet only in dreams, but when they come face-to-face ten years later, Fate has other plans. This might be Matilda’s chance to change everything, but it will require her to be something she’s never been: vulnerable.

The Secret of Secrets by Dan Brown
🎧 Audiobook

Brown is back with his first book in the Robert Langdon series since 2017! Thrilling and twisty, the story takes readers to Prague, where Langdon attends a groundbreaking lecture by Katherine Solomon. Solomon, who has recently started dating Langdon, is on the brink of publishing an explosive book with startling discoveries. A sudden murder sets off chaos, and Solomon goes missing along with her book’s manuscript. Langdon must find Katherine and stay out of the way of a powerful organization and a mythological assailant across continents, from London to New York.

Tourist Season by Brynne Weaver
🎧 Audiobook

Weaver is known for her dark romance tales that have a wicked sense of humor. Add in a dash of suspense, and readers will devour the latest in Tourist Season. Harper Starling is a gardener with killer instincts. Set to maintain the house and gardens in Cape Carnage, Harper doesn’t let pesky tourists get in the way of her picture-perfect home. People come to Carnage, but they don’t check out! Things change when Nolan Rhodes proves he’s not your average tourist. Nolan’s skills with a sword and penchant for revenge put him in an uneasy truce with Harper when a crime investigator comes snooping around the pair. Readers will love the slow-burn, enemies-to-lovers tale with dark humor and twisty thrills along the way.

107 Days by Kamala Harris
🎧 Audiobook

Told with candor and revealing surprising insight, Harris details the 107 days of 2024 presidential race after Joe Biden announced he would not seek reelection. Written like a page-turner, Harris shares insight on the presidential race like we’ve never seen before.

Soul Searching by Lyla Sage
🎧 Audiobook

Known for her Western Rebel Blue Ranch series, Lyla Sage returns with a brand-new story about a small-town upholsterer and a photographer, both in need of fresh starts. Collins Cartwright decides to stay in her hometown, Sweetwater Peak, to help save her family’s antiques shop from a big developer. She rents a room from Brady Cooper, but he didn’t know she was so odd... always talking to herself. What he doesn’t know is that she can talk to ghosts, but they’ve recently gone silent. Are they ignoring her? Or are they pushing her and Brady together for something more permanent? Romance readers will enjoy the opposites-attract story with a dash of ghosts and a whole lot of depth.

The Court of the Dead by Rick Riordan and Mark Oshiro

From the world of Percy Jackson, Rick Riordan and Mark Oshiro team up for a new Nico di Angelo story! Nico and his half-sister, Hazel, team up to save... monsters?? Nico journeys to join his sister at Camp Jupiter to help her with some issues with guests. It turns out Hazel is protecting a group of monsters that have escaped from the Underworld. Nico, alongside his boyfriend, Will, and Hazel, team up to integrate the monsters and the demigod campers. Things don’t go smoothly, and when monsters go missing... they’ve got to figure out what evil is at work before it’s too late.

Holiday Ever After by Hannah Grace
🎧 Audiobook

Welcome to Fraser Falls, a charming small town where resident Jack Kelly is the local toymaker. Less than a year ago, a man in a suit showed up on Jack’s door promising to hire him to a big toy company to design new items at Davenport Innovation Creative. What did Jack get instead? Nothing but a stolen toy design! So he’s wary when Clara Davenport... of those Davenports, shows up in town trying to win everyone over and generate good PR instead of the story that they stole a local toymaker’s design. Can Clara and Jack overcome their differences? A delightful holiday romance from BookTok sensation, Hannah Grace!

For more, check out the list below and find them at your local library in Libby!

*Title availability may vary.

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