New Mysteries and Thrillers We Can’t Wait to Read This Summer

By Stephanie Brown
Books arranged on a surface, with "Heather" by Caitlin Mullen prominent in the center.

With winter’s cold days behind us, it’s time to dive into summer reading season. We’re ready to trade in wool blankets for beach towels and cozy fiction for nerve-jangling narratives that will get our pulses racing. Below are just a few of the must-read mysteries and thrillers we can’t wait to get our hands on this summer! 

Black and white drawing of five books standing upright and stacked together in a row.

Love books?

Sign up for the free Celadon Books newsletter, and get book giveaways, news, and recommendations sent straight to your inbox.

This field is for validation purposes and should be left unchanged.
Book cover for "Heather" by Caitlin Mullen, featuring tall trees, sunlight, and a reddish-orange circular shape.

Heather

By Caitlin Mullen

Edgar Award–winning author Caitlin Mullen (Please See Us) returns this summer with a beautifully spun mystery about the strength of women. If you devoured Liz Moore’s God of the Woods, you’ll want to check out this compelling tale set in the New Jersey Pine Barrens that explores questions of family, gender, and womanhood. Heather follows Callie Hauser, a newly minted small-town police chief who finds herself caught up in a decades-old cold case surrounding the disappearance of two sisters that makes her question everything she thought she believed in.

 

Publication date: June 9, 2026

A bloodstained knife rests on a plate above the title "The Secret Dinner" by Raphael Montes.

The Secret Dinner

By Raphael Montes

We’re so excited to get our hands on Raphael Montes’s internationally renowned thriller, now finally being published in English! As one of Brazil’s most exciting contemporary authors, Raphael Montes has delighted readers worldwide with his wholly original voice and absorbing storytelling. The Secret Dinner, hailed by bestselling author A. J. Finn as “a zesty blend of Parasite, Sweeney Todd, and Fight Club,” follows four desperate friends who bite off more than they can chew when they begin hosting secret dinner parties for Rio’s elite, catering to their dark fantasies and twisted appetites. Equally funny, shocking, and thoughtful, this is the thriller everyone will devour this summer. 

 

Publication date: August 18, 2026

Book cover with large yellow text "ONE GOOD EYE" above a blurred road at night; author: Kevin Wade.

One Good Eye

By Kevin Wade

Buckle up, crime fiction fans: The next installment of Kevin Wade’s high-octane Jeep Mullane series is on the way. Chock-full of twists and turns that only a veteran screenwriter and Bluebloods showrunner could conjure, One Good Eye finds Long Island Police Chief Mullane racing to help his longtime friend Jenny Racine after she’s brutally assaulted in her home. Against Jenny’s wishes, Jeep sets off to find the perpetrator, making painful discoveries along the way. If you haven’t yet strapped into the cool crime series that Wade kicked off with Johnny Careless, now is the time to start. 

 

Publication date: August 11, 2026

Book cover for "Crook Manifesto" by Colson Whitehead, with bold text and a black-and-white cityscape.

Cool Machine

By Colson Whitehead

Pulitzer Prize–winning author Colson Whitehead is back this summer with the final story in his celebrated Harlem Trilogy. Set against the backdrop of 1980s New York City, this genre-bending literary crime novel is as suspenseful and entertaining as it is profound. Cool Machine follows furniture shop owner and goods mover Ray Carney as he struggles to reconcile his relationship with the criminal underworld, his family, and New York City itself. Spend June catching up on Ray’s earlier exploits in Harlem Shuffle and Crook Manifesto before diving into this one in July.

 

Publication date: July 21, 2026

Book cover for "Helpless" by Jessica Knoll with a burning match and glowing neon green title text.

Helpless

By Jessica Knoll

If erotic thrillers are more your speed, get ready: Jessica Knoll, the bestselling author of Bright Young Women, is back with another fiery must-read. Helpless follows Hollywood producer Faye as she’s pulled into a dangerous romantic entanglement she thought she’d left behind in college. As the dynamic between Faye and her former flame heats up, she starts to question everything she thought she knew about their past together. Sexy, fearless, and electric, this is one book you won’t be able to put down.

 

Publication date: July 7, 2026

Book cover for "It Could Have Been Her" by Lisa Jewell, with greenery on a vibrant pink background.

It Could Have Been Her

By Lisa Jewell

Lisa Jewell excels at atmospheric storytelling that keeps you on the edge of your seat. It Could Have Been Her, the author’s upcoming domestic thriller, begins with Jane Trevally taking her dogs on a ramble across her country estate. Unfortunately, a wayward white terrier appears, leading Jane down a path to a rundown house suffused with dark secrets. Jewell dials up the suspense in It Could Have Been Her, crafting a creepy tale with a surprisingly tender exploration of trauma and healing at its heart.

 

Publication date: June 23, 2026

A red rotary phone receiver hangs by its cord on the green cover of "Caller Unknown" by Gillian McAllister.

Caller Unknown

By Gillian McAllister

Gillian McAllister, author of the blockbuster psychological thriller Wrong Place Wrong Time, is back with Caller Unknown. The riveting new narrative centers on Simone, a mother who will do anything for her teenage daughter, no matter the cost. When Lucy is kidnapped on their mother–daughter trip through the Texas desert, Simone tries to play ball with the kidnapper — only to be shocked by the conditions for Lucy’s return. It’s not money that the kidnapper wants, but something else entirely…something unthinkable. Will Simone balk at their demands? Or risk everything to save her child? 

 

Publication date: May 5, 2026

Two people sit at a bar table with drinks, their legs visible, on the book cover for "The Fine Art of Lying.

The Fine Art of Lying

By Alexandra Andrews

Alexandra Andrews — author of Who Is Maud Dixon? — excels at taut and twisting psychological suspense, and that talent is on full display in The Fine Art of Lying. The new novel follows Clare Bast, who thought she’d left the Manhattan art world behind when her daughter was born. But she’s pulled back into the scene by the wife of her Park Avenue husband’s boss — and soon finds herself entangled in a grisly murder and the theft of a priceless painting. With the walls closing in on her, Clare must figure out how to escape the underbelly of the art world before it’s too late. 

 

Publication date: May 5, 2026

Book cover for "Getting Away with Murder" by Shari Lapena, with tree leaves above a lit house at dusk.

Getting Away with Murder

By Shari Lapena

Acclaimed author Shari Lapena is back with her 10th psychological thriller, and we can’t wait to see what she has in store for us this time. Getting Away with Murder is about a wealthy couple who are down on their luck and willing to do whatever it takes to regain a sense of security. Jill and Ted aren’t ready to give up their luxurious New York lifestyle after their money suddenly runs dry, so they devise a plan to get it back — a plan that involves taking out a rich family member whose death could solve all their problems. 

 

Publication date: July 28, 2026

Book cover for "The Unknown" by Riley Sager, featuring a large tree silhouette against a red, shadowy background.

The Unknown

By Riley Sager

Bestselling thriller maestro Riley Sager is sure to send a chill down our spines this summer with his newest gripping tale. The Unknown follows a group of actors and their director as they set out for the island of New Avalon in Vermont. They’re traveling to the island to research their upcoming film, which is about the 1926 disappearance of five mediums rumored to have been taken by supernatural forces during a seance gone wrong. But when strange things begin to happen on New Avalon, the crew must find out fast if someone is trying to derail their movie or if otherworldly forces are at play.

 

Publication date: August 4, 2026

Share with your friends

Facebook
Twitter
LinkedIn
Pinterest

Celadon delivered

Subscribe to get articles about writing, adding to your TBR pile, and simply content we feel is worth sharing. And yes, also sign up to be the first to hear about giveaways, our acquisitions, and exclusives!