Then He Was Gone Is The Gripping Debut Thriller From Isabel Booth

On The Table Read Magazine, “the best arts and entertainment magazine UK“, in Then He Was Gone, a debut thriller by Isabel Booth, attorney Elizabeth English and her husband face every parent’s nightmare when their six-year-old son vanishes from a Rocky Mountain National Park parking lot during a family hike.

Then He Was Gone

In the world of psychological suspense, few premises hit harder than the sudden disappearance of a child. Then He Was Gone, the upcoming debut novel by Isabel Booth (pen name of former trial attorney Karen Jewell), delivers exactly that heart-stopping terror. Set against the vast, unforgiving wilderness of Rocky Mountain National Park, the story follows a family’s idyllic hike that turns into every parent’s nightmare in mere minutes.

The plot centers on attorney Elizabeth English and her husband Paul, who are enjoying a family outing with their two energetic sons, six-year-old Henry and his older brother Nick. The boys race ahead on the trail, full of youthful excitement. When Elizabeth and Paul finally catch up at the parking lot, expecting to find them waiting by the car, Henry is nowhere to be seen. Nick, shaken, reports only that he spotted a lone truck pulling away shortly after Henry stepped away to use the bathroom. In that brief window of parental inattention, their youngest son vanishes.

A Tense Investigation Unfolds

What follows is a tense, multi-layered investigation. Gritty park ranger Hollis Monroe springs into action, organizing a massive search effort across the rugged terrain. She partners with a local detective to probe the darker possibility: kidnapping. For Elizabeth and Paul, the uncertainty is excruciating—was Henry simply lost in the wilderness, exposed to the elements and wildlife, or is he terrified, restrained in the back of a stranger’s vehicle, heading into an unknown fate? The novel masterfully plays on this duality, amplifying the dread as the couple grapples with which horror feels worse.

As the hours tick by and hope dwindles, the search pushes Elizabeth and Paul to their emotional limits. Long-buried secrets between the spouses surface, forced into the open by the desperate need to do anything—everything—to bring Henry home. Elizabeth, in particular, transforms into a ferocious force, refusing to accept the odds stacked against them and determined to defy the impossible.

Why This Thriller Stands Out

Booth’s background as a former trial attorney shines through in the sharp, authentic details of the investigation and the raw portrayal of parental anguish. The story builds suspense relentlessly, blending high-stakes procedural elements with intimate family drama and shocking revelations. Readers will find themselves breathlessly turning pages, caught in the same mounting tension that grips the characters.

Then He Was Gone is a nail-biting, unsettling thriller that explores the darkness a crisis can unleash within a family. It’s been hailed as a standout debut, with praise from bestselling author David Bell calling it “a smashing debut! A family’s worst nightmare, long-hidden secrets, real emotion, and surprises galore.” Crooked Lane Books editor Marcia Markland described it as “one of the best thrillers I’ve read in years,” even suggesting it could attract film interest.

The novel is positioned perfectly for readers who love the domestic suspense of Mary Kubica, the twisty family-driven plots of Harlan Coben, the emotional depth of Lisa Jewell, and the high-tension missing-child thrillers of Jennifer Hillier. It’s a page-turner that combines edge-of-your-seat pacing with genuine emotional stakes.

Isabel Booth

Isabel Booth is the pen name of Karen Jewell, a former trial attorney turned writer. She holds an undergraduate degree in English, a Master’s in Business Administration, and a Juris Doctorate. Drawing on her legal expertise, she crafts authentic, high-stakes narratives.

When not writing, she enjoys reading, traveling, cooking for friends, and spending time with family. She lives in Houston, Texas, with her husband.

Publication Details and Milestone

Then He Was Gone marks a milestone as the first novel acquired from The Black List’s fiction program (a platform famous for launching screenplays that become major films and series). It was selected by Crooked Lane Books after Booth uploaded her manuscript, leading to a publishing deal announced in late 2025. The book is scheduled for release on February 24, 2026, and is available for pre-order through major retailers.

If you’re a fan of gripping, character-driven thrillers that explore the fragility of family bonds under extreme pressure, mark your calendar for this one. Then He Was Gone promises to be one of the most talked-about debuts of 2026.

Find more from Isabel Booth now:

Apple Book: https://apple.co/45HS2Dk

Apple Audiobook: https://apple.co/4qTCpkk

Kindle: https://amzn.to/3LjYYzM

Paperback: https://amzn.to/4qTHsBg

Hardcover: https://amzn.to/4qt8uQg

Audible: https://amzn.to/3NlbDD4

karenjewellbooks.com | IG: @karenjewellbooks | X: @KarenJewellBook