Twleve-year-old private investigator Fletcher Moon, nicknamed "Half Moon" because of his shortness, must track down a conspiracy or be framed for a crime he did not committ.

Fifth-grader PJ "Clueless" McGee writes a series of letters to his father, a private investigator, telling of his attempt to learn who stole the science fair trophy, thus clearing his own name.

Ghosts start haunting Jigsaw's classmates, but there's a new ghostbuster in town stealing all of Jigsaw's clients.

Amateur private investigator Katie Fry looks for clues to find her brother's favorite stuffed animal.

When the class's Valentine candy disappears, Jigsaw and Mila try to figure out who stole it.

When Clueless learns that the scribble on the cowboy hat sent by his father is actually the autograph of teen idol Junior McFiddle, everyone in school suddenly wants to be Clueless' friend--and they want his hat.

In this fourth book of Timmy Failure's memoirs, Timmy is forced to take his investigation into stolen charity funds on the road when his mother forces him to help her boyfriend move to Chicago. They are on the road in a cross-country trip that includes Timmy's mom, Total the polar bear, Doorman Dave, and criminal mastermind Molly Moskins. It's a world gone mad, where good becomes bad, and Timmy Failure is a condemned man.

In the sixth book in Stephan Pastis's hilarious series, Timmy is being threatened and must rely on his new partner to solve the mystery - and possibly save his life! Timmy is in Key West, Florida, ostensibly for the honeymoon of his mother and Doorman Dave - if they even got married, which Timmy doubts. Unfortunately for Timmy, crime doesn't take a vacation. And because Total has fled to Cuba seeking political asylum, Timmy must rely on a new partner...

Meet Timmy Failure, the founder, president, and CEO of the best detective agency in town, probably the nation. And his lazy sidekick, total, a 1,500-pound polar bear.

Jigsaw Jones investigates when the champion frog in a frog-jumping contest mysteriously disappears. It's not easy being green! The carnival is in town and Jigsaw's friends are excited to enter their first ever frog-jumping contest. It's going to be grrrrrrr-eat! But when the carnival's champion jumping frog mysteriously disappears, Jigsaw and his partner Mila suspect foul play. These ace detectives are only a hop, skip, and a jump away from catching...