- Fluffy's silly summer, by Kate McMullan ; illustrated by Mavis Smith
- Hit the road, Helen!, by Kate McMullan
- I'm dirty!, Kate & Jim McMullan
- Fluffy meets the groundhog, by Kate McMullan ; illustrated by Mavis Smith
- Beware! It's Friday the 13th, by Kate McMullan ; illustrated by Bill Basso
- World's oldest living dragon, by Kate McMullan ; illustrated by Bill Basso
- Say cheese, Medusa!, by Kate McMullan ; illustrated by David LaFleur
- I'm tough!, Kate & Jim McMullan
- Bulldog's big day, Kate McMullan ; pictures by Pascal Lemaitre
- Fluffy goes to school, by Kate McMullan ; illustrated by Mavis Smith
- The ghost of Sir Herbert Dungeonstone, by Kate McMullan ; illustrated by Bill Basso
- I'm big!, by Kate and Jim McMullan
- Go for the gold, Atalanta!, written by Kate McMullan ; illustrated by Denis Zilber
- Fluffy plants a jelly bean, by Kate McMullan ; illustrated by Mavis Smith
- Fluffy meets the dinosaurs, by Kate McMullan ; illustrated by Mavis Smith
- Fluffy's Thanksgiving, by Kate McMullan ; illustrated by Mavis Smith
- McMullan, Kate, Myth-o-mania, bk. 9
- Fluffy's spring vacation, by Kate McMullan ; illustrated by Mavis Smith
- Fluffy's lucky day, by Kate McMullan ; illustrated by Mavis Smith
- McMullan, Kate, Dragon Slayers' Academy, 13
- Get to work, Hercules!, written by Kate McMullan ; illustrated by Denis Zilber
- McMullan, Kate, Dragon Slayers' Academy, 1-2
- Fluffy goes apple picking, by Kate McMullan ; illustrated by Mavis Smith
- Fluffy goes to Washington, by Kate McMullan ; illustrated by Mavis Smith
- Papa's song, Kate McMullan ; pictures by Jim McMullan
- Keep a lid on it, Pandora!, written by Kate McMullan ; illustrated by Denis Zilber
- Fluffy saves Christmas, by Kate McMullan ; illustrated by Mavis Smith
- The new kid at school, Revenge of the dragon lady, by K.H. McMullan ; illustrated by Bill Basso
- Double dragon trouble, by Kate McMullan ; illustrated by Bill Basso
- Fluffy's school bus adventure, by Kate McMullan ; illustrated by Mavis Smith
- Class trip to the cave of doom, Wedding for Wiglaf?, by K. H McMullan ; illustrated by Bill Basso
- Pearl and Wagner, one funny day, Kate McMullan ; pictures by R.W. Alley
- As far as I can see, by Kate McMullan
- My travels with Capts. Lewis and Clark by George Shannon, as told by Kate McMullan and illustrated by Adrienne Yorinks
- I stink!, Kate & Jim McMullan
- Fluffy grows a garden, by Kate McMullan ; illustrated by Mavis Smith
- McMullan, Kate, Dragon Slayers' Academy, 9
- Noel the first, story by Kate McMullan ; pictures by Jim McMullan
- Phone home, Persephone!, written by Kate McMullan ; illustrated by Denis Zilber
- Fluffy's funny field trip, by Kate McMullan ; illustrated by Mavis Smith
- Get lost, Odysseus, by Kate McMullan
- 97 ways to train a dragon, by Kate McMullan ; illustrated by Bill Basso
- McMullan, Kate, Dragon Slayers' Academy, 16
- McMullan, Kate, Dragon Slayers' Academy
- McMullan, Kate, Dragon Slayers' Academy, 12
- McMullan, Kate, Dragon Slayers' Academy, 15
- I'm bad!, Kate & Jim McMullan
- McMullan, Kate, Meg's diary, bk. 1
- Nice shot, Cupid!, written by Kate McMullan ; illustrated by Denis Zilber
- Fluffy's Valentine's Day, by Kate McMullan ; illustrated by Mavis Smith