Outstanding. A terrific family drama revealing how little the sisters know about each other and their own history - The Times

I raced through The Wrong Sister - it’s such a masterclass in building tension from the dream Venice break at the start to the nightmare it becomes. The solution to the mystery is so clever I was nowhere near guessing it! I loved it. -- HARRIET TYCE

The Wrong Sister is Claire Douglas at her finest - page-turning, compelling and utterly addictive. I couldn't put it down! -- LUCY CLARKE

This is a book that won’t leave you be. It’s a brilliant jigsaw of suspicious characters, grisly deeds, and family tragedy - and Douglas only lets you see the full picture on the very last page. -- ABIGAIL DEAN

A triumph of masterful misdirection and intricate plotting. It keeps you guessing from the first page to the last and it's Claire Douglas's best book yet. If you love a Christie-esque mystery that keeps you guessing, The Wrong Sister definitely won't disappoint -- C.L. TAYLOR

Claire Douglas has done it again with this twisty, ingenious and suspenseful tale of long-buried secrets – a real treat for psychological thriller fans -- TM LOGAN

Packed full of clever twists, secrets and suspense, this book was unputdownable. Claire Douglas knows how to write a proper page-turner that grabs you from the first page to the last. The Wrong Sister is a gripping thriller, but also a cleverly written and beautifully woven mystery guaranteed to tug at your heartstrings. I devoured this book and I loved every page

Spine-chilling scenarios and a catalogue of twisty connections ensue. Claire Douglas layers her stories with atmospheric suspense. This is edgy, unsettling and unputdownable. - WOMAN & HOME

What an excellent thriller. The plot was both full of unexpected twists and still completely plausible, the characters were brilliantly drawn, and the writing was great. Claire Douglas keeps getting better and better -- LOUISE O'NEILL

Full of twists and turns, with a relatable and all too human cast of characters. No one seeds shocking secrets into seemingly ordinary families quite like Claire Douglas. Hugely enjoyable! I loved it. -- EVE CHASE

The Wrong Sister is quintessential Claire Douglas at her masterful best – twisty, surprising, and extraordinarily clever. I was desperate to find out what was going on and raced through it. I loved it!

- -- PRAISE FOR CLAIRE DOUGLAS

I loved this twisty novel -- RICHARD OSMAN

Few people do psychological thrillers as claustrophobic and as creepy as Claire Douglas -- TIM WEAVER

Spine-chilling - THE SUNDAY TIMES

A chillingly atmospheric thriller -- JP DELANEY

Clever and terrifically compelling -- SARAH PEARSE

Devotees of domestic noir will love the multiple perspectives and shifts in time that Claire Douglas uses to complicate her nervy narrative -- SUNDAY TIMES CRIME CLUB

Cunning, intelligent, expertly told and with twists and turns that will give readers whiplash, I think it’s destined to be one of the best thrillers of the year

Douglas has a deceptively chatty style, but she is a particularly good at twists and red herrings. She keeps the plot on the boil right to the end with a conclusion that is both gratifying and surprising. - DAILY MAIL

Brilliant...I was blown away by the intricate plotting, the page-turning tension and the relatability of the sisters and their wider families. And boy, do they have secrets!'