This is a complete set (published at different times) of Enid Blyton's Secret Seven series of books
The Secret Seven (published 1973)
In this adventure, Jack finds some men taking a prisoner to the empty old house in the isolated country lane near their house. The seven decide to look into the mystery and make inquiries.
Secret Seven Adventure (1971)
In this adventure, a priceless pearl gets stolen and what's more the Seven witnessed the thief making his escape! This sets the Seven to indulge in the mystery.
Well done Secret Seven (1973)
The Secret Seven have a new meeting place – a tree house! But somebody else is using it too. The gang is furious, until they learn that the intruder is in big need of help. Can the Secret Seven come to the rescue?
Secret Seven on the trail (1972)
Something mysterious is going on at Tigger's Barn, and the Secret Seven are intrigued. Peter thinks it's all a gossip, but Jack isn't sure when he hears a strange conversation.
Go ahead Secret Seven (1973)
When members of the Secret Seven practise their shadowing skills, George is caught and banned from the Society by his father. Meanwhile, dogs are disappearing, and this seems to be linked with a coal-hole in a derelict alley.
Good work Secret Seven (1971)
Bonfire Night is quite near and the Secret Seven are looking forward to it. But an adventure looms when Peter and Janet are in the back of their father's car, which is suddenly stolen.
Secret Seven win through (1972)
The meeting place of the Secret Seven is destroyed by their gardener. The seven are angry but they find a good cave for their meetings.. But somebody else is using it too. It's Susie, Jack's annoying sister.
Three cheers, Secret Seven (1972)
When Susie's aeroplane lands in a locked up house, Peter and Jack go to fetch it back, and discover a gas fire burning in the house. Who could be there? The Secret Seven want to find out.
Secret Seven mystery (1973)
The Secret Seven find that a girl, called Elizabeth Mary Welhemina Sonning, has disappeared after she was blamed for stealing some money from her teacher's desk. They met a stable boy Tom in Warner stable's he told that he met Elizabeth in Gorton. Will the Secret Seven find her, and solve the mystery, or will the police do it first?
Puzzle for the Secret Seven (1973)
The Secret Seven witnesses a house burn down, and after that a precious violin is stolen. Are the two incidents related?
Secret Seven fireworks (1972)
The Seven are shocked as they find out that Jack's annoying sister forms a rival club called the Tiresome Three. But surely Susie wouldn't really steal their guy's clothes and firework money?
Good Old Secret Seven (1972)
Someone is hiding in the ruins of Torling Castle. The Secret Seven would be able to find out who, if only Susie and Binkie didn't keep interfering.
Shock for the Secret Seven (1973)
In this story, dogs are disappearing in their village, but before the secret seven can get down to it a fight brews up between Jack and Peter. Jack resigns from the secret seven and they become the secret six, but when Scamper, Peter and Janet's golden spaniel becomes the latest victim the six decide they have to do something.
Look out Secret Seven (1974)
Now that the Secret Seven have Scamper safely back with them, they're beginning to appreciate what a clever and valuable dog he is – he's almost one of the gang! First he discovers an unwanted visitor – then he protects the Seven as they spy on a thief late at night in Bramley Woods!
Fun for the Secret Seven (1974)
The Secret Seven help Tolly, an old man who lives on the hill, when his horse, Brownie, breaks his legs and his master, a farmer, threatens to shoot him.
Most are in very good condition: the occasional one has creased cover(s) or slight spine damage; this is why the set is marked 'good'.