When a puppy gets lost while playing hide and seek on the farm, Otis the friendly little tractor must face his fear of the darkness in order to help his new friend.

Pleased with his success in riding a bike, Duck decides to drive the farm tractor, and invites all the other farm animals along for the ride--all the way to town.

After a long day of work on the farm, Tractor is ready to relax.

"Fire Truck is very brave, and while he is off fighting a fire, School Bus, Tractor, and Train await his return"--Provided by publisher.

When the farmer places a scarecrow in the cornfield, Otis the tractor and the farm animals try to make friends, but the scarecrow remains silent with a sour look on his face throughout the summer and fall.

On Christmas Eve at the farm, a horse faces complications while delivering her foal and Otis the tractor must race through snowy, treacherous woods to bring back Doc Baker before it is too late.

Betty the school bus is upset over making mistakes on her very first day, but Tractor Mac and the farm animals provide tips and encourage her to practice and try again.

During a busy day on the farm, Dog uses Tractor to plow a field, bale straw, and even move a fallen tree.

Frankie McGee's mother takes him to the public library, where she tries to persuade him to choose a book about cars, heliciptors, or anything else while he insists on yet another book about tractors.--

Old MacDonald and his tractor can handle most of the work on the farm, from pulling a plow, to following a combine, to going home at night, in a rhyming tale reminiscent of the children's song, Old MacDonald had a farm.