Chet Gecko and his partner, Natalie Attired, try to find out who is sending threatening notes to Viola Fuss, candidate for student council president at Emerson Hickey Elementary School.

When the principal of his school begins acting nice to him, Chet Gecko realizes that he is an imposter and so sets out to find the real one.

When fourth-grade private eye Chet Gecko is called to catch someone who is stealing food from the school cafeteria, he finds himself framed for the crime.

When hired by a fellow fourth-grader to find her missing brother, Chet Gecko uncovers a plot involving a Gila monster's revenge upon the school football team.

Something is trashing the classrooms at Emerson Hicky Elementary School, and sixth-grade private eye Chet Gecko sets out to find the creature that's responsible.

Chet Gecko is hired by Principal Zero to investigate the disappearance of valuable items from Emerson Hicky Elementary--including Mama Gecko's pearls.

To save his own skin, private eye Chet Gecko sets out to solve the mystery of Emerson Hicky Elementary School's disappearing football players.

The big nap: Someone is turning the students at Emerson Hickey Elementary into zombies, and it's up to fourth-grade private eye Chet Gecko to find out who. Farewell, my lunchbag: When fourth-grade private eye Chet Gecko is called to catch someone who is stealing food from the school cafeteria, he finds himself framed for the crime.