- Fraction fun, David A. Adler ; illustrated by Nancy Tobin
- Young Cam Jansen and the lions' lunch mystery, by David A. Adler ; illustrated by Susanna Natti
- Young Cam Jansen and the zoo note mystery, by David A. Adler ; illustrated by Susanna Natti
- Millions, billions & trillions, understanding big numbers, by David A. Adler ; illustrated by Edward Miller
- Adler, David A, Cam Jansen adventure, 19
- Cam Jansen and the barking treasure mystery, David A. Adler ; illustrated by Susanna Natti
- Mama played baseball, David Adler ; illustrated by Chris O'Leary
- Happy Thanksgiving rebus, by David A. Adler ; illustrated by Jan Palmer
- Kick it, Mo!, by David A. Adler ; illustrated by Sam Ricks
- Cam Jansen and the secret service mystery, David A. Adler ; illustrated by Susanna Natti
- Young Cam Jansen and the knock knock mystery, by David A. Adler ; illustrated by Susanna Natti
- Get on the ice, Mo!, by David A. Adler ; illustrated by Sam Ricks
- Cam Jansen and the first day of school mystery, David A. Adler ; illustrated by Susanna Natti
- Telling time, by David A. Adler ; illustrated by Edward Miller
- Adler, David A, Cam Jansen adventure ; 26
- A picture book of Daniel Boone, by David A. Adler and Michael S. Adler ; illustrated by Matt Collins