"Mystery fiction." . . "Tree houses." . . . "Fiction" . "Fiction"@en . . . . . . . "Adventure stories"@en . "Adventure stories" . . . . "Secret 7"@en . "The Secret Seven are excited about their new treehouse meeting place until they learn that someone else is using it too. Their emotions shift again when they discover that the intruder is in big trouble and needs their help."@en . . "Large type books" . . "Secret Seven., The"@en . . . . . "Well done, Secret Seven" . "Well done, Secret Seven"@en . . "Classic fiction (Children's/YA) (Children's)"@en . . . . . . . "When a mistreated boy takes refuge in their tree house, the Secret Seven are determined to find out who he is hiding from."@en . . "Well done, Secret Seven. [read by Sarah Greene]"@en . . . "Children's stories" . "Children's stories"@en . "Well done, Secret Seven!" . . . . . "Well done, Secret Seven ; Secret Seven on the trail" . . "Well done, Secret Seven : book 3"@en . "The Secret Seven have built a new meeting place -a tree house! - and they can't wait to start using it! But they soon realise that they're not the only ones using the tree house - somebody else is using it, too."@en . . . "Mystery fiction" . "Mystery fiction"@en . . . "Well done Secret Seven"@en . . . . . "The Seven have built a new meeting place - it's a tree house! But somebody else has discovered their hideout - and he's on the run from a gang of thieves!" . . . "Well done Secret Seven!" . "Detective and mystery stories" . "Detective and mystery stories"@en . . . . "Well done, secret seven!"@en . . . "The Secret Seven have built a new meeting place, and it's a tree house. But someone else has discovered their hideout, and he's on the run from a gang of thieves." . . . . . . . . . . . . . . . . "Well done, Secret Seven : [no. 3 - The Secret Seven series]" . . "Adventure stories (Children's/YA) (Children's)"@en . . . "Well done, secret seven" . "Well done, secret seven"@en . . . . . "Adventure fiction" . . . . "Juvenile works"@en . . "The Seven have a new meeting place but somebody uses it to hide from a gang of thieves.__" . "Juvenile works" . . . . . "The Secret Seven are Peter and his sister Janet, Jack, Colin, George, Pam and Barbara. They meet every holiday in the shed at the bottom of Peter and Janet's garden - and solve mysteries, and eat lots of delicious food. But no one can enter the shed without whispering the secret password! There are 15 Secret Seven novels, and a collection of short stories. The Secret Seven have a new meeting place - a treehouse! But someone else is using it too. The gang are furious, but then they learn the intruder is in big trouble, and needs their help. Can the Seven come to the rescue? Each book features rarely seen bonus Blyton: extra stories, a quiz, additional artwork and insights into Blyton's life and writing process."@en . . . . "Cabanes Romans." . . "Squatters Romans." . . "Mysteries Juvenile fiction" . . "Mystery fiction Juvenile fiction." . . "Voleurs Romans." . . "Tree houses Juvenile fiction." . . "Secret Seven (Fictitious characters) Juvenile fiction." . . "Secret Seven (Fictitious characters)" . . "Gangs Romans." . . . .