A visitor to their tree house put the Secret Seven on the trail of some thieves, but first they have to unravel some strange clues.

Dogs are disappering in the village where the Secret Seven live! But they are too busy quarreling to investigate! Then poor Scamper disappears...

The Secret Seven have a fantastic new hiding place but someone else is using it at night and it's Jack's little sister Susie who helps them catch the intruder.

George and Jack goes to Tigger's Barn thinking they'll prove Susie's story about a gang meeting there, is right or wrong. And then it turns out to be an adventure!

A girl runs away from home and it's up to Secret Seven to find her ! Jack's litter sister Susie is up to her usual tricks but she can't put Secret Seven off the trail of clues.

Susie, - Jack's little sister is very annoying and the Secret Seven are furious when she forms a rival club. But is Susie wicked enough to have stolen some money?

Who Has stole Lady Lucy's necklace at mitton Manor? The Secret Seven decide to find out

The Secret Seven see a house burn down, then they witness the theft of a valuable violin! Are the two incidents connected?

What would The Secret Seven do without Scamper the spaniel? First he discovered an unwanted visitor then he protected The Secret Seven as they spy on a thief late at night in Bramley woods.

Peter And Janet witness the theft of a car! Now the seven are on the trail of a dangerous gang...