Kooties Club Mysteries (Hardcover) Series

The Mystery of the Missing Heart

Published 15 August 1998

Published 1 January 1998

Ty and Gabe hear yelling and screaming and someone very bad laughing in apartment A-13.

Published 1 January 2000

Published 15 August 1998

Published 1 January 2001

Published 1 January 2001

Published 1 January 1998

Big Ben helps the Kooties Club members with their science projects.

Published 15 August 1998