Johnny Heller

The sixth-grade science sleuth takes on ten more puzzling cases, including one involving disappearing ice cream and another a speedy soapbox car.

Sixth-grade sleuth Adam "Einstein" Anderson uses his scientific knowledge to solve a variety of puzzles, including a machine that makes things shrink and an encounter with people from a flying saucer.

The science sleuth solves ten puzzles related to the solar system, the stars, the weather, and the elements.