- Stop Squatting With Your Spurs On: The Power to Read People, Get what you Want, and Communicate without Pain
- Four Pals At The Park (An Adventure With Friends Who Are Different) (Volume 1)
- Four Pals on a Field Trip: An Adventure with Friends Who Are Different
- Four Pals At A Party (An Adventure With Friends Who Are Different) (Volume 3)
- Four Pals In Science Class (An Adventure With Friends Who Are Different) (Volume 4)