内容简介：
The pool was full of dead things: old, dead logsaand a womanas body. The folks from the town are certain that they know who killed her and why. But Bob and Howard arenat convinced. This is their chance to become real teenage detectives. Yet, it is not easy. Like a wild river tumbling through the western foothills of the Adirondacks, their search turns down one channel, then another and another. But only one has a dead end. The boysa stubborn work opens one clue after another, but will the police chief listen to them? Will Mr. B be a help or a hindrance? What about the Logan cousins? And where will that final clue be found?