Hale, Bruce

When Chet's favorite teacher is fired and replaced by Russian scientist Tanya Lightov's mechanical invention, the school is suddenly possessed by unnatural forces and events, and Natalie Attired abandons Chet in his hour of need.

Fourth-grade detective Chet Gecko and his associate Natalie Attired investigate a series of mishaps that all seem to point to the school janitor.

When the new penguin at school turns out to be a private eye, Chet Gecko confronts not only a devious sparrow but also his own jealousy.

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.

Detective Chet Gecko and his associate, Natalie Attired, take a case tailing what they think is a cheating boyfriend but are instead led to a school mystery that involves blackmail and robots.

Chet Gecko and his partner Natalie try to find a missing valentine and the winning ticket to a fantastic dessert.

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 and his partner, Natalie Attired, take on a case involving an actor gone missing from the school musical.

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.

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.