Book 1

The Case of the Giggling Geeks

by Bill Myers

Published 22 August 2002
Ten-year-old Bernie Dingledorf is recruited as a secret agent to fight Dr. Chuckles, who is forcing the smart people of the world to laugh uncontrollably so that they will be what he wants them to be instead of what God wants them to be.

Book 2

The Case of the Chewable Worms

by Bill Myers

Published 1 January 2001
Ten-year-old Bernie Dingledorf very reluctantly acts as a secret agent again, this time to fight the B.A.D.D. agents who are trying to control the world through habit-forming worms.

Book 3

The Case of the Flying Toenails

by Bill Myers

Published 22 August 2002
Ten-year-old secret agent Bernie Dingledorf tells a lie and helps expose the world to a dread cold that makes jets of flame come out through your toenails.

Book 4

Case of the Drooling Dinosaurs

by Bill Myers

Published 18 September 2003
Ten-year-old Secret Agent Dingledorf learns the value of following the rules when he reluctantly faces Dr. Rebellion, a man who is causing chaos all over town because he hates rules.

Book 5

The Case of the Hiccupping Ears

by Bill Myers

Published 1 September 2003
Ten-year-old secret agent Bernie Dingledorf flies into action when the boys of B.A.D.D. try to take over the world again, this time by mixing up brain waves and causing the bodies of children and teens to do weird things.