Penny Pepper - Turtleback School & Library Binding Edition - Scholastic Reader Pony Mysteries - Level 3 Author:Jeanne Betancourt FOR USE IN SCHOOLS AND LIBRARIES ONLY. Penny Ryder is happy to spend a summer in the country with her grandparents, but she is not sure about Pepper the pony or the neighbor twins until Pepper disappears and the twins, Tina and Tom, help find him.