With an intriguing mystery, a timely message about protecting the environment, and Jean Craighead George's award-winning, accessible writing, Who Really Killed Cock Robin is the perfect eco mystery kids--and educators--are sure to love.

Citizens of Saddleboro are mourning the mysterious death of their beloved mascot, Cock Robin. Tony suspects there's more to the story than people assume.

The truth must be hidden in the clues: The town park is overrun with trillions of ants; nights are quiet because the frogs stopped singing; the nearby river contains a dangerous amount of an unknown chemical; and the town dump is emitting strange fumes.

What does it all add up to? There's a story here, and it's up to Tony to figure out who really killed Cock Robin.