Please note, this book was previously published as Double FaultOne missing child. Twenty skeletons, walled up in a derelict building.Fran and her fiance, ex-detective Mark Turner, are starting to think retirement isn't all it's cracked up to be . . .One spring morning, Mark heads to the tennis courts for a knock-about with the Golden Oldies. But when Livvie, the instructor's four-year-old daughter, goes missing, Mark and the Oldies are drawn into the search.Little Livvie was last seen wandering into the dark woods. Can they track her down before it's too late?Fran would love to lend a hand - if only she had one to spare. Builders have unearthed a cache of human remains, hidden in the walls of a former refuge for troubled teens.Fran finds herself on a twisty trail of her own, hunting for a ruthless killer who already has the advantage. Can she even the score before it's game, set, and match?