A Whisper in the Dark

New York Times bestselling author Linda Castillo has become renowned for her nail-biting novels of romantic suspense. Now she delivers an electrifying thriller about a secret that could mean one woman’s demise…  Until now, no one has suspected the truth about down-to-earth bookseller Julia Wainright. But the arrival of six threatening letters indicates someone has discovered her secret—and wants her to pay for her sins… Ever since he accidentally killed a fellow officer, ex-cop John Merrick