In this series opener, Koko Dodo the cookie chef has a big problem.

In this series opener, Koko Dodo the cookie chef has a big problem.

Today is the day of the royal cookie contest, and someone has stolen his

top-secret fudge sauce! Luckily, a spy enters the scene just in time

(or rather, crashes in on her roller skates): Didi Dodo! This might be

Didi's first case ever, but she has a daring plan to help Koko. Koko

would prefer a safe, simple, sure-to-work plan, but without another

option, he and the amateur sleuth take off on a wacky caper full of

high-speed chases and big belly laughs that could only come from the

mind of the inimitable Tom Angleberger. Each book in the series will

focus on a food-related mystery.