The Chameleon Wore Chartreuse

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. Chet's tattered casebook is chock-full of the hillarious characters, wacky one-liners, and fast-paced mystery that have everyone else boggled. Can Chet Gecko solve the mystery?