The Three Investigators Crime Busters #3 Rough Stuff

39 The Three investigators and the Mystery of the Trail of Terror

42 The Three Investigators and the Mystery of Wrecker's Rock

38 The three Investigators in the Mystery of the Smashing Glass

36 The Three Investigators and the Mystery of the Missing Mermaid

37 The Three Investigators and the Mystery of the Two-Toed Pigeon

35 The Three Investigators and the Mystery of the Kidnapped Whale

30 The Three Investigators and the Secret of Shark Reef

43 The Three Investigators in the Mystery of the Cranky Collector

The Three Investigators Crime Busters #1 Hot Wheels

The Three Investigators Crime Busters #2 Murder to Go

The Three Investigators: Christmas in Rocky Beach

The Three Investigators: The Case of the Fourth Investigator

The Three Investigators: The Secret of the Three Impostors

The Three investigators: The Case of the Mysterious Traveler

Three Investigators: The Mystery of the Slipped Disk