Christmas Books Sets › Horses & Ponies (Grades 3-4) Image 1 of 1 Horses & Ponies (Grades 3-4) $20.00 This set includes 6 books, both fiction and non-fiction, about girl and their horses, and pony friends. Add To Cart Added! This set includes 6 books, both fiction and non-fiction, about girl and their horses, and pony friends.