Join the Sleepover Club: Frankie, Kenny, Felicity, Rosie and Lyndsey, five girls who want to have fun - but who always end up in mischief!In Happy Birthday Sleepover Club, the girls celebrate the Sleepover Club's 10th birthday in style - until they all start squabbling. Could this be the end? In Sleepover Girls on Horseback, the local riding school is threatened with closure. Can the girls raise enough money to save it? And it's off to the sunny Costa Brava in Sleepover in Spain, where a group of five Spanish girls seem intent on causing trouble for the gang!