“[An] interesting dichotomy of instinct and algorithm.”—TODAY
“A thrilling ride with a twist of tech . . . this book is your next obsession.”—The Seattle Times
“Compelling.”—Criminal Element
“A smart, agile, immaculately plotted and moving thriller that is unswervingly gripping and scary, and at the same time beautifully tender and humane.”—Nicci French, internationally bestselling author of Has Anyone Seen Charlotte Salter?
“Jo Callaghan has done it again with this intricately plotted, humorous, and incredibly moving thriller.”—Laura Marshall, Sunday Times bestselling author of A Good Place to Hide a Body
“A brilliant, rapidly paced and plotted thriller. Couldn’t put it down. Another masterpiece.”—Imran Mahmood, author of Finding Sophie
“Callaghan’s riveting sequel to Blink of an Eye . . . tweaks the traditional British detective story just enough, freshening up a well-worn formula without attempting to fix what isn’t broken. This series deserves a long life.”—Publishers Weekly
“[The] big reveal is unlikely to be foreseen by even the AI-abetted reader. This thriller may feature state-of-the-art AI, but its solid craftsmanship is timeless.”—Kirkus Reviews