About Kathy Helidoniotis Kathy Helidoniotis is the author of six books in the Horse Mad series and numerous other books for children. Horse-crazy herself, Helidoniotis divides her time between riding, writing, reading, and teaching. Books by Kathy Helidoniotis Horse Mad Summer by (author) Kathy Helidoniotis Horse Mad Heights by (author) Kathy Helidoniotis Horse Mad Whispers by (author) Kathy Helidoniotis Horse Mad Heroes by (author) Kathy Helidoniotis Horse Mad Western by (author) Kathy Helidoniotis Horse Mad Academy by (author) Kathy Helidoniotis
