The Cockroach War — Jonathan Harlen

This hilarious prequel to Brain Scam offers great insights on insects, science, and technology as well as sibling relationships, conflicts, and cooperation. Toby and his sister Emma declare war against their neighbors, the Cadwalladers, whose noisy actions and all-night parties begin to take a toll on Toby and his family. Toby and Emma join forces with a team of cockroaches and secretly seek revenge on the Cadwalladers. What results is a funny, energetic battle.