Secret Seven Complete Boxset of 17 Titles

The Secret Seven: 17 Exciting Adventures (Set of 17 Books) contains seventeen stories which show how these seven children investigate all sorts of mysteries. In the first book, Jack notices that some men have kept a prisoner inside an abandoned house. The Seven decide to snoop around. In Go Ahead Secret Seven, the young detectives hear about a man who pushes dogs down coal holes. It is upto them to stop him! In Secret Seven Mystery, the ninth book of the series, a girl has suddenly disappeared and she is being blamed for robbing her teacher. Will the Seven be able to find her?