Discover Lost Lambs, the standout debut novel of 2026 by Madeline Cash. This hardcover book, published by Doubleday, delivers a darkly funny and wildly original story about the dysfunctional Flynn family and the bizarre conspiracy brewing in their small town. Shortlisted for the Waterstones Debut Fiction Prize 2026, this novel has already achieved instant Sunday Times bestseller status, praised for its smart humour and unique voice.

Meet the Flynns: Abigail, dating an ex-soldier nicknamed ‘War Crimes Wes’; Louise, secretly corresponding with an online terrorist; and Harper, the youngest, convinced their town is being monitored. When Harper becomes obsessed with the nefarious local billionaire, Paul Alabaster, her investigation plunges the family into a criminal conspiracy that might just bring them closer together.

• SHORTLISTED FOR THE WATERSTONES DEBUT FICTION PRIZE 2026
• Instant Sunday Times bestseller
• Described as: ‘EXTREMELY SMART, IMPOSSIBLY FUNNY, AND JUST PLAIN FUN TO READ’ (Caro Claire Burke)
• Hailed as: ‘THE MOST WILDLY ORIGINAL BOOK OF THE YEAR’ (Harper’s Bazaar)

• Author: Madeline Cash
• Binding: Hardcover
• Language: English
• Publication Date: February 5, 2026
• Print Length: 336 pages
• ISBN-10: 1529946123
• ISBN-13: 978-1529946123
• Dimensions: 163 x 32 x 241mm
• Weight: 538g

Perfect for readers who enjoy humorous fiction with a sharp edge, Lost Lambs is a must-read debut that critics and readers agree is one of the funniest books of the year.