A breakneck thriller from the bestselling author of Richard & Judy Book Club selections ORPHAN X and YOU'RE NEXT.

He knows it's a long shot, but Jay feels it's the only way for him to lift the weight of guilt he has carried since his dad's death the previous year. The dive begins well enough, but the sudden appearance of a giant squid puts Jay in very real jeopardy, made infinitely worse by the arrival of a sperm whale looking to feed.

From the No.1 internationally bestselling author comes an emotional novel of suspense about two families pitted against each other-one seeking justice in the disappearance of their daughter, the other desperate to clear their son's name.

From the No.1 internationally bestselling author comes an emotional novel of suspense, which will stay with you long after you've finished reading.