Shelf wear with bumped spine and corners. DJ has wear and creases with tears on back. Pages tight. 512 pages. HardCover Binding. Year: 1990. ISBN: 038524813x. Brilliantly written, and based on extensive and groundbreaking research with the FBI's National Center for the Analysis of Violent Crime, ""Mercy's"" complex psychological suspense, vividly evoked settings, and unforgettable characters make for superb, page-turning entertainment.