The absent author: Dink Duncan and his two friends investigate the apparent kidnapping of famous mystery author Wallis Wallace. The bald bandit: Third-grader Dink and his detective friends hope to receive a big reward by finding the person whose video recorder picked up a picture of the local bank robber. The canary caper: Dink and his friends investigate why pets, like Mrs. Davis's canary, Mozart, are mysteriously disappearing all over town.

The Deadly Dungeon--Dink's favorite mystery writer, Wallis Wallace, has invited Dink, Josh, and Ruth Rose for a sleepover, in a haunted castle! Will they discover who or what is haunting Moose Manor? |t The Empty Envelope--Dink keeps getting envelopes in the mail addressed to "D. Duncan." But the letters inside all start with "Dear Doris" and don't make any sense! Josh and Ruth Rose think someone's playing a trick on Dink. But Dink is sure there's...