Secret in Devil's Swamp: A Jan Calvin Mystery

Ecology and pollution are simply not in 12-year-old Jan Calvin's vocabulary. But when her family moves to Pinemarsh, Louisiana in the summer of 1963, she uncovers a mystery that can only be solved with Something strange is killing the swamp, something that is wilting the cattails and killing the fish and turtles. Jan and her new friends snoop around, unearthing clues to a most surprising--and disturbing--secret. But can they save the swamp?