The best mysteries--whether detective, historical, police procedural, cozy, or comedy--have one thing in common: a memorable perpetrator. For every Sherlock Holmes or Sam Spade in noble pursuit, there's a Count Dracula, a Lester Leith, or a Jimmy Valentine. These are the rogues and villains who haunt our imaginations--and who often have more in common with their heroic counterparts than we might expect. Now, for the first time ever, Otto Penzler gathers...