2 books · Ages 5–9 · Early Readers, Chapter Books
The Sneaky Pony is a 2-book series for ages 5–9 by Hadley Higginson. Each book stands alone — start anywhere.
Start anywhere — each book stands alone.
That said, Keeker and the Springtime Surprise and Keeker and the Horse Show Show-Off are great first picks.
No particular order needed — browse and pick what catches your eye.