Summer special chunky read 2-in-1 edition of the third and fourth books in the Pony Club Secrets series: 'Destiny and the Wild Horses' and 'Stardust and the Daredevil Ponies'.

Stacy Gregg is the author of successful pony adventure series Pony Club Secrets and Pony Club Rivals. Formerly the editor of fashion website Runwayreporter.com, Stacy writes exclusively for HarperCollins.

Her own ponies and experiences at her local pony club provided the inspiration for the Pony Club Secrets and her later years at boarding school were a catalyst for Pony Club Rivals.