Incoming Resources
- Tractor saves the day, Mandy Archer ; illustrated by Martha Lightfoot
- Otis and the scarecrow, Loren Long
- Otis, Loren Long
- Otis's busy day, by Loren Long
- Tractor Mac arrives at the farm, written and illustrated by Billy Steers
- Tractor Mac, new friend, written and illustrated by Billy Steers
- Tractor Mac builds a barn, written and illustrated by Billy Steers
- Tractor Mac, parade's best, written and illustrated by Billy Steers
- Tractor Mac saves Christmas, by Billy Steers
- What does Otis see?, by Loren Long
- Tractor Mac learns to fly, written and illustrated by Billy Steers
- All of the factors of why I love tractors, written by Davina Bell ; illustrated by Jenny Løvlie
- Otis and the puppy, Loren Long
- Duck on a tractor, by David Shannon
- Otis and the kittens, Loren Long
- Old MacDonald drives a tractor, Don Carter
- An Otis Christmas, Loren Long