Mystery at Maple Street Park
Mystery at Maple Street Park
By Mary Duplex

Mystery at Maple Street Park brings together four kids to work on a school project that leads them into an adventure they will never forget.
The Rockhound Mystery
The Rockhound Mystery
By Mary Duplex

Get ready for adventure as you peer through the magnifying glass and untangle The Rockhound Mystery with three kids who have a love for rocks and a nose for trouble. 
Trouble with A Capital T
Trouble with A Capital T
By Mary Duplex

Trouble With a Capital T is filled with narrow escapes, suspense, trouble, and fun. By the time it's over, the boys learn responsibility and the value of making friends.
The Trouble With Longtails
The Trouble With Longtails
By Mary Duplex

The Longtails family, which grew considerably within a short time, seemed to bring nothing but trouble.