Two true-crime tales relate the stories of a married woman who suspects her husband isn't who he says he is and a teenage girl who moves to Arizona and finds her perfect life is about to turn on its head. "Til Murder Do Us Part: Kathi Spiars can't believe she's found such a good man to marry as Stephen Marcum. But twelve years later, she starts to suspect that he isn't who he says he is. As she digs into his past, she doesn't realize that learning...

Two true-crime thrillers include "Murder of Innocence," in which a global effort captures a serial predator; and "A Murderous Affair," in which a rookie FBI agent is set up by his informant. Murder of innocence: It's impossible to resist Andrew Luster. He's rich, charming, and good-looking, and dozens of women have fallen under his spell. But Andrew is no mere womanizer. He's a predator, and it'll take a global effort to put him behind bars. A Murderous...