Issie leaps to new heights with showjumper Comet, but will she ride to victory on Liberty? The penultimate book in the bestselling pony adventure series. Issie and Comet have travelled to Lexington, USA to take on the best riders in the world at the famed four-star horse trials. It's Issie first experience of competing against adult professional riders and she begins to worry that she's out of her depth.

But then the competition gets even more exciting when Tara Kelly calls with the offer of a chance ride on another horse. With everything at stake does Issie have what it takes to win?