Simon Waterhouse and Charlie Zailer novels

When Alice leaves her infant daughter at home with her husband David for the first time since becoming a new mother, she returns to a horrifying sight: her daughter, Florence, has been swapped with another baby. No one... not even David... believes her.

Amber Hewerdine suffers from chronic insomnia. As a last resort, she visits a hypnotherapist, doubtful that anything will really change. Under hypnosis, Amber hears herself saying, "Kind, cruel, kind of cruel." The words awaken a vague memory, but she dismisses the whole episode as nonsense. Two hours later, however, Amber is arrested for the brutal murder of a woman she's never heard of, and the only way she can clear her name is by remembering exactly...

A woman desperate to hide a devastating secret in her past is drawn into a murder investigation.

A stand-up comedian wonders who she can trust when she anonymously receives the same token clue, a small white book, that has been found at each scene of a serial murder case. A psychopath the police have dubbed "Billy Dead Mates" is targeting pairs of best friends, and killing them one by one. Before they die, each victim is given a small white book. Detectives have failed to catch Billy, or figure out what the white books symbolize and why the...