The Puzzle Lady returns in the 18th installment of the popular mystery series. Cora couldn't be happier: Matt Greystone was coming to town The rookie sensation had just signed a huge contract with the Yankees, coming to the team from Arizona, where he won 17 games as a starting pitcher for the Diamondbacks. But an arm injury requiring rehab had sidelined his meteoric rise, and this was her chance to meet him A diehard Yankee fan, Cora was delighted when Matt invited her to a weekend pool party. On the plus side, she got to meet Derek Jeter. On the minus side, she has a puzzle of her own to solve when a couple of the guests get killed.