Secret Seven #6 Good Work, Secret Seven

The Secret Seven are siblings Peter and Janet, and Jack, Barbara, Pam, Colin and George. Together they are The Secret Seven - ready to solve any mystery, any time - in Enid Blyton's classic series of 15 mystery novels. In book six, Peter and Janet are the only witnesses when a car is stolen. They saw the thieves, and now the whole of the Secret Seven are involved. But when they realise they're on the trail of a dangerous gang, the Seven don't feel quite so brave. Have they taken on too much this time?