Catherine Hapka has written more than 150 books for children and young adults—many about horses, including several in the Saddle Club and Pine Hollow series. A lifelong horse lover, she rides several times per week and appreciates horses of all breeds. She lives on a small farm in Chester County, Pennsylvania.Ruth Sanderson has illustrated books for children of all ages, including Summer Pony and Winter Pony. She lives with her family in Ware, Massachusetts, and her favorite hobby is horseback riding.

Catherine Hapka has written more than 150 books for children and young adults—many about horses, including several in the Saddle Club and Pine Hollow series. A lifelong horse lover, she rides several times per week and appreciates horses of all breeds. She lives on a small farm in Chester County, Pennsylvania.Ruth Sanderson has illustrated books for children of all ages, including Summer Pony and Winter Pony. She lives with her family in Ware, Massachusetts, and her favorite hobby is horseback riding.

Catherine Hapka has written more than 150 books for children and young adults—many about horses, including several in the Saddle Club and Pine Hollow series. A lifelong horse lover, she rides several times per week and appreciates horses of all breeds. She lives on a small farm in Chester County, Pennsylvania.Ruth Sanderson has illustrated books for children of all ages, including Summer Pony and Winter Pony. She lives with her family in Ware, Massachusetts, and her favorite hobby is horseback riding.