It's their very first adventure and the Secret Seven super-sleuths are already on the trail of a mystery! The gang are dressed in disguise, following a lead to a spooky old house in the snow... About The Author: Enid Blyton died in 1968 but remains one of the best-known and best-loved writers of children's stories. It's time for a top-secret meeting of seven friends in their detective club. They're really hoping for an exciting mystery to investigate. When jack overhears a struggle outside an abandoned house, he's sure that something's up. Could someone be trapped insinde? The children will stop at nothing to find out!