- Fluffy's silly summer, by Kate McMullan ; illustrated by Mavis Smith
- I'm tough!, Kate & Jim McMullan
- Bulldog's big day, Kate McMullan ; pictures by Pascal Lemaitre
- School!, adventures at the Harvey N. Trouble Elementary School, written by Kate McMullan ; inspired and illustrated by George Booth
- I'm dirty!, Kate & Jim McMullan
- McMullan, Kate, Dragon Slayers' Academy, 2
- Pearl and Wagner, three secrets, by Kate McMullan ; pictures by R. W. Alley
- How do you take a bath?, Kate McMullan ; illustrated by Sydney Hanson
- I'm big!, by Kate and Jim McMullan
- Pearl and Wagner, one funny day, Kate McMullan ; pictures by R.W. Alley
- Revenge of the dragon lady, by Kate McMullan ; illustrated by Bill Basso
- Fluffy goes apple picking, by Kate McMullan ; illustrated by Mavis Smith
- I stink!, Kate & Jim McMullan
- McMullan, Kate, Dragon Slayers' Academy
- McMullan, Kate, Dragon Slayers' Academy, 3
- As warm as the sun, Kate and Jim McMullan
- I stink!, Kate & Jim McMullan
- How do you go to sleep?, Kate McMullan ; illustrated by Sydney Hanson
- I'm bad!, Kate & Jim McMullan
- I'm smart!, Kate & Jim McMullan
- I'm brave!, Kate & Jim McMullan
- Class trip to the Cave of Doom, by Kate McMullan ; illustrated by Bill Basso
- Fluffy and the fire fighters, by Kate McMullan ; illustrated by Mavis Smith
- I'm cool!, Kate & Jim McMullan
- I'm fast!, Kate & Jim McMullan