Happy Go Lucky is quickly learning his way around Big Apple Barn. He's even making new friends like Roscoe, the barn mouse, and Ivy, the trainer's youngest daughter. There's so much to explore! But Happy soon discovers that working as a school pony won't be easy. Every rider is different, and Happy isn't sure if he likes that. And not all of the animals at Big Apple Barn are very friendly. . . .

שם הספר
The Magic School Bus Gets Crabby (Scholastic Reader, Level 2)
Stablemates: Starlight (Scholastic Reader Level 3)
Happy Go Lucky (Big Apple Barn)
Sassy Surprise (Big Apple Barn)