"The investiGATORS chase after a new criminal ... but they're about to face an even bigger villain! Can Mango and Brash put a stop to this looming threat?''--Page 4 of cover

The InvestiGators are having a hard time keeping a low profile with their new headquarters being a giant robot towering over the city! How can they be SECRET agents if everyone recognizes them? But with their ears to the ground, Mango and Brash hear mysterious rumblings about BOULDER BUDDIES...are they just the latest fad or part of a mob-run scheme? And could a rocky relationship from the InvestiGators' past be trembling beneath the surface? Find...

"When rare paintings go missing, the InvestiGators are called on the scene...the ART SCENE! Mango and Brash go undercover and under canvas as internationally renowned painters to expose a crook who has truly mastered the art of CRIME! Can they recover the missing masterpieces and save the city art museum's fundraising gala before it's too late...and they run out of appetizers? Find out in this latest pièce de résistance of action-packed illustrated...

Three young detectives travel abroad to solve a mystery involving a silver spider and a political plot that endangers the life of a young prince.

Three young detectives become involved in mysteries related to the disappearance of an ancient Japanese jeweled belt from a museum exhibit and the strange antics of a group of gnomes around an elderly woman's house.

The Three Investigators are assisted by a Greek youth as they search for clues to a mysterious thief on an island once inhabited by pirates.

The Three Investigators become entangled in the theft of a string of rare pearls and a fraudulent scheme involving family inheritance when they try to solve the mystery of a ghost's appearance in the old Green Mansion.

The three investigators, attempting to rescue a beached whale, end up searching for sunken treasure.

The high pitched scream produced by an alarm clock sets the Three Investigators on the complicated and dangerous trail of art thieves.

While accompanying Pete's inventor grandfather to New York where the old man plans to sell his new invention, the Three Investigators find themselves in the middle of a dangerous spy case.