Book 4

Big Nap

by Bruce Hale

Published 1 January 2001

Book 8

Trouble Is My Beeswax

by Bruce Hale

Published 1 April 2004

Book 9


Book 10

Murder, My Tweet

by Bruce Hale

Published 1 October 2004

Book 11


Book 12

Key Lardo

by Bruce Hale

Published 1 October 2006

Book 13

Hiss Me Deadly

by Bruce Hale

Published 1 January 2009

Book 14

From Russia with Lunch, 14

by Bruce Hale

Published 1 January 2009
Detectives Chet Gecko and his partner Natalie Attired try to solve the mystery of why Emerson Hicky Elementary school students have suddenly started acting strangely.

Book 15

Dial M for Mongoose

by Bruce Hale

Published 6 December 2009

Hamster of the Baskervilles

by Bruce Hale

Published 1 April 2002
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.

Chameleon Wore Chartreuse

by Bruce Hale

Published 1 April 2000
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.

Farewell, My Lunchbag

by Bruce Hale

Published 1 January 2009

The Big Nap

by Bruce Hale

Published 1 April 2002


This Gum for Hire

by Bruce Hale

Published 1 April 2003

The Malted Falcon

by Bruce Hale

Published 1 October 2008

The Mystery of Mr. Nice

by Bruce Hale

Published 1 October 2008