Secret Agent Dingledorf and His Trusty Dog, SPLAT Books in Order

Worms begin appearing in food and other everyday places, creating an increasingly bizarre problem. Young secret agent Bernie Dingledorf and his dog Splat investigate the invasion, with their mission bringing a lesson about helping others amid the confusion.

Ten-year-old secret agent Bernie Dingledorf tells a lie that helps spread a bizarre cold, with symptoms involving flames from toenails. He and his dog Splat face the resulting trouble as Bernie confronts the consequences of dishonesty.

The world's smartest people are struck by uncontrollable laughter, and Dr. Chuckles becomes a suspect. Bernie Dingledorf and his dog Splat investigate with unreliable gadgets, trying to stop the outbreak while learning to treat other people with respect.

Dinosaurs in a museum come to life and begin roaming the city, leaving everyone wondering how it happened. Secret Agent Dingledorf and his dog Splat investigate the impossible outbreak before the creatures can threaten people farther afield.

People around the world begin forgetting basic abilities, including walking, eating and hearing. Secret Agent Dingledorf and his dog Splat must discover how the bungling villains of B.A.D.D. caused the crisis and find a way to stop them.

Pets begin acting strangely, with cats singing opera, dogs adopting country music and turtles yodeling. Secret Agent Dingledorf and his dog Splat investigate the outbreak, while the case raises questions about how people should treat the animals around them.