Caelainn Bradley, who writes under the name Rachel Ryan, was born in Dublin in 1991. She studied English at Maynooth University and, after graduating, worked various day jobs while writing in her spare time. 

Her first publication was in Banshee literary journal, and her debut novel was Hidden Lies by Little Brown and was published in the US and Canada by Simon and Schuster in November 2021as The Woman Outside My Door which was selected as a Barnes & Noble Mystery/Thriller Book of the Month pick.

Her second novel Someone you Trust, a gripping, emotional thriller that explores the darkest corners of family and the secrets we hide behind closed doors, was published by Little Brown in July 2023 and in the US and Canada by Simon and Schuster in August 2023.

Praise for The Woman Outside My Door

“Packed with jaw-dropping moments, The Woman Outside My Door is a twisty thriller with hidden depths. I gobbled it up"

Robyn Harding, internationally bestselling author of The Party

"You never know when the secrets of your past will rise up and find you again. Rachel Ryan shines in this creepy and chilling debut. Questions abound—imaginary friend or dangerous stalker? You will fly through the pages of this tense and fast-paced story, and the giant twist at the end will leave your heart pounding"

Julie Clark, New York Times bestselling author of The Last Flight

Praise for Hidden Lies

“A stylish, spare, well-structured piece of work . . . Ryan skillfully ramps up the suspense until the atmosphere is tight as a drum . . . A gripping, propulsive debut”

Irish Times

“A gripping thriller that packs an emotional punch . . . Hidden Lies is a muscular and compelling read that looks set to see Ryan join the ranks of the thriller-writing heavyweights”

Irish Independent

“I didn’t put it down until I had turned the final page. A rollercoaster of a read, the pace is relentless, resulting in a denouement that will take your breath away. Bravo, Rachel Ryan!”

Liz Nugent

“An eerie and unsettling thriller that twists relentlessly in surprising directions. A gripping debut”

Catherine Ryan Howard

“A clever spin on the every mother’s nightmare scenario that probes the secrets at the heart of a family, and of a country. Gripping and hugely readable, Hidden Lies heralds a bright new voice in psychological thrillers”

Erin Kelly

“I couldn’t put it down. A suspenseful read, full of chills and twists. It kept me turning the pages with the clever plotting”

Patricia Gibney

“An incredible debut; pacy, clever and tense”

Jo Spain

“A stunning debut. Gripping and unpredictable, my heart is still pounding!”

Sam Blake

“A tense, unsettling thriller about the kind of toxic secret that can blow a family apart. Hidden Lies is a very impressive debut”

T.M. Logan

“Dark, emotionally compelling”

Mary Torjussen

“Packed with jaw-dropping moments, Hidden Lies is a twisty thriller with hidden depths”

Robyn Harding

“Rachel Ryan shines in this creepy and chilling debut . . . You will fly through the pages of this tense and fast-paced story, and the giant twist at the end will leave your heart pounding”

Julie Clark

“Taut, tense, with a twist I did not see coming. I devoured every page of this cracking, clever, original debut”

Carol Mason

“A fast-paced, gripping thriller... As the heart-pounding tension unfolds page after page, Rachel Ryan expertly unravels the mystery, leaving readers guessing until the satisfying, surprising ending. Emotional, captivating, and suspenseful”

Samantha M. Bailey

“A tension-filled, emotional page-turner”

Andrea Carter

“A gripping tale that wraps its tentacles around you and draws you in”

Siobhan Macdonald

Praise for Someone You Trust

"A gripping, contemporary gothic thriller. I tore through it. I simply couldn't put it down!"

Edel Coffey, #1 bestselling author of Breaking Point

“Kept me guessing with each page I turned”

Patricia Gibney, author of The Missing Ones

"Equal parts tautly woven, chilling, and heart-breaking, Someone You Trust is a thriller that will take readers on an emotional roller coaster. With ratcheting tension and a mounting sense of dread, you might think you know what's happening, but this is a story that will defy your expectations. A must-read for fans of domestic suspense."

Laurie Elizabeth Flynn, author of The Girls Are All So Nice Here

"Nothing is what it seems in this creepy, propulsive, atmospheric thriller. I dare you not to read it in one sitting”

Kieran Scott, author of Regrets Only

"Dark, intense and emotional, this haunting whodunit is utterly chilling, with a real sting in its twisty tail."

Sam Blake, author of Remember My Name

"It's rare a thriller has such an emotional core but this one does. Fabulous."

Martina Murphy, author of The Night Caller

Rights Sold

Little Brown (UK), Simon and Schuster (USA), Simon and Schuster (Canada)