Three more mysteries for the Secret Seven to solve! Secret Seven on the Trail Is something mysterious happening at Tigger's Barn? Peter thinks it's a hoax. Then Jack overhears an extraordinary conversation which leads the Seven on a trail of adventure! Go Ahead, Secret Seven A mean-looking man gets poor George into trouble with the police! The Seven decide to spy on the man - and discover that he's up to no good! Good Work, Secret Seven A car is stolen - and Peter and Janet witness the theft! Now the Seven are on the trail of a dangerous gang. The perfect gift for any Blyton fan.