- Seven wonders of Sassafras Springs, written by Betty G. Birney
- The world according to humphrey, Betty G. Birney
- Surprises according to Humphrey, Betty G. Birney
- Exploring according to Og the frog, Betty G. Birney
- Pie's in the oven, Betty G. Birney ; illustrated by Holly Meade
- Humphrey's playful puppy problem, Betty G. Birney ; illustrated by Priscilla Burris
- Disney's Toy story, adapted by Betty Birney
- Birney, Betty G, Humphrey's tiny tales, 6
- Birney, Betty G, According to Humphrey (Audio)
- Summer according to Humphrey, Betty G. Birney
- Summer according to Humphrey, Betty G. Birney
- The seven wonders of Sassafras Springs, Betty G. Birney ; illustrated by Matt Phelan
- School days according to Humphrey, Betty G. Birney
- Birney, Betty G, Humphrey adventures, 11
- Birney, Betty G, Humphrey adventures, 10
- Birney, Betty G, Humphrey's tiny tales, 5
- Humphrey's really wheely racing day, Betty G. Birney ; illustrated by Priscilla Burris
- Life according to Og the Frog, Betty G. Birney
- Surprises according to Humphrey, Betty G. Birney
- Summer According to Humphrey, Betty G. Birney
- Tyrannosaurus Tex, Betty G. Birney ; illustrated by John O'Brien
- Birney, Betty G, Humphrey's tiny tales, 2
- El mundo de acuerdo a Humphrey, Betty G. Birney ; traduccion de Teresa Mlawer
- Trouble according to Humphrey, Betty G. Birney
- Life according to Og the frog, Betty G. Birney
- Humphrey's treasure hunt trouble, Betty G. Birney ; illustrated by Priscilla Burris
- The World According to Humphrey, Betty G. Birney
- Wildlife according to Og the frog, Betty G. Birney
- Imagination according to Humphrey, Betty G. Birney
- Humphrey's creepy-crawly camping adventure, Betty G. Birney ; illustrated by Priscilla Burris
- Humphrey's pet show panic, Betty G. Birney ; illustrated by Priscilla Burris
- Birney, Betty G, Humphrey's tiny tales, 7
- Trouble According to Humphrey, Betty G. Birney
- Adventure according to Humphrey, Betty G. Birney
- Humphrey's world of pets, Betty G. Birney
- Spring according to Humphrey, Betty G. Birney
- The world according to Humphrey, Betty G. Birney
- Birney, Betty G, Humphrey adventures, 2
- Humphrey's playful puppy problem, Betty G. Birney ; illustrated by Priscilla Burris
- La vida de acuerdo a la rana Og, Betty G. Birney ; traducción de Eva Ibarzábal
- Birney, Betty G, Humphrey's tiny tales, 1
- Humphrey's mixed-up magic trick, Betty G. Birney ; illustrated by Priscilla Burris
- Adventure according to Humphrey, Betty G. Birney
- Exploring according to Og the frog, Betty G. Birney
- Birney, Betty G, Humphrey's tiny tales, 3
- Summer According to Humphrey, Betty G. Birney
- Mysteries according to Humphrey, Betty G. Birney
- Birney, Betty G, World according to Humphrey (Brilliance Audio (Firm)), 4
- Adventure According to Humphrey, Betty G. Birney
- Humphrey's really wheely racing day, Betty G. Birney ; illustrated by Priscilla Burris