When the obnoxious sixteen-year-old Peggy Dawson asks Cora Felton to solve a puzzle for her, Cora is delighted to find that the puzzle has been stolen. She is less delighted, however, when a blood-stained knife is found in its place. Soon a body is discovered in the middle of Main Street, and Cora has a murder investigation on her hands. It does not help matters when she hears that her least favorite ex-husband, Melvin, is in town pulling a real estate...

When young attorney Becky Balwin hires Cora Felton to accompany her to New York City to meet a new client in his penthouse apartment, the Puzzle Lady jumps at the chance. Cora is just coming off a bad breakup, and finding out that Chief Harper testified at a parole hearing for a killer she helped put away has her feeling old. But, when she and Becky arrive at the apartment, they find the man is dead. There's a puzzle on his chest, and a prowler is...