Welcome back to Storm Cliff Stables Ainsley, Cassidy, Khadija, and Ryleigh--the Four Horseketeers--can't wait to start their next summer at horse camp. Ainsley Stevens and the Four Horseketeers are battling it out with the Core Four. But will their pranks go too far? Aligned to Common Core standards and correlated to state standards. Calico is an imprint of Magic Wagon, a division of ABDO.