The Disappearing Lake — Robert E. Jacob

The Gumshoe Archives are a series of books meant to make learning science fun. This volume teaches about the Water Cycle. The student learns how the earth creates, provides, and regenerates its water supply. Each book has helpful ideas for teacher student interaction at the first of each chapter as well as short quizzes at the end of each chapter to test the students comprehension of the material. There is a full exam at the end of each book as well.

The sleepy town of lake Willbegone has a big problem, their lake is shrinking. They call on the services of detective Andy Spencer to figure out what is going on. Andy follows the clues through the wild forests local habitat to discover the answers. The trail leads them to danger and mystery, only to find the most shocking clue of all. Find out how Andy saves the lake from certain destruction, and learns a thing or two about our water cycle and where our water comes from.