The Comet Caper: Book 4 in the Hal Junior series

The Secret Signal

Peace Force: Book 1 in the Harriet Walsh series

The Missing Case: Book 2 in the Hal Junior series

Big Bang: Book 7 in the Hal Spacejock humorous scifi series

No Free Lunch: Book 4 in the Hal Spacejock humorous scifi series

Cold Boots: Book 10 in the humorous scifi series

Itch: Volume 1

Max Damage: Book 9 in the Hal Spacejock series

Mrs. Frisby and the Rats of NIMH

Sierra Bravo: Book 3 in the Harriet Walsh series

If I Built a Car

Baker's Dough: Book 5 in the Hal Spacejock humorous scifi series

Just Desserts

Safe Art: Book 6 in the Hal Spacejock humorous scifi series