Pond scum / Silberberg, Alan

Eleven-year-old Oliver finds a gem in the attic his old house that magically changes him into any creature he touches, and when he and his new friends, a salamander named Mooch and a crow named Antoine, discover that a power-hungry crow plans to turn animals against humans, they work to stop him.

Eleven-year-old Oliver enjoys tormenting insects, but his life takes a turn when his family moves into an old house which an assortment of animals doesn't want to vacate.

Eleven-year-old Oliver finds a gem in the attic of his old house that magically changes him into any creature he touches; but when he and his new friends discover that a power-hungry crow plans to turn animals against humans, they work to stop him.