The Mysterious Code: No. 7 (Trixie Belden S.) - Hardcover

Principal Stratton wants to get rid of all clubs in Sleepyside High School, including the Bob-Whites! The only way they can save their club is to prove that they help out other people, too. Trixie quickly comes up with a plan to host a benefit antique show and sale. But are the precious antiques in danger from thieves?

In the 1940s, Julie Campbell was running her own literary agency when Western Publishing put out a call for talented authors to write mystery series for kids. Julie proposed the Trixie Belden series and wrote the first 6 titles herself, but books 7–39 were written by a variety of writers all under the pseudonym Kathryn Kenny.

Michael Koelsch works in many different styles for many different markets, including advertising, entertainment, and publishing. He recently received a Silver Medal from the Society of Illustrators, NY.