The sadness pervading the first few pages of this decently written first novel is almost overwhelming: Chris and his parents return to the summer home where his toddler sister Molly apparently drowned three months earlier; the family is just beginning to come to grips with their loss. Viewing a videotape made that terrible day, Chris interprets it with poignant optimism—maybe Molly was kidnapped, maybe she's alive, maybe he can find her. With longtime best friend Pat (and without the knowledge of his parents, who are suitably skeptical about the scenario he envisions), Chris travels to Florida and locates the elderly couple who have convinced Molly that she belongs to them. So much of this mild adventure works that it seems almost curmudgeonly to point out its faults: the boyish eighth graders encounter no real difficulties in their journey; the kidnappers' motives, arrest, and punishment are barely hinted at; there's an unsettling shift to Molly's point of view that all but confirms the outcome, diffusing any lingering suspense. But holding everything together are the characters' feelings; their grief and reactions to various dilemmas are so pure and credible that readers will willingly put doubts aside to join in the search. (Fiction. 11-13)