Five Go Off To Camp is the seventh novel in the Famous Five children's adventure series by Enid Blyton. It was first published in 1948, and was followed by a number of reprints and translations. The story evolves around mysterious "spook trains" that the Five hear about on a lonely moor. The book has been adapted to two television series.
Julian, Dick, George, Anne and Timothy the dog (the Famous Five) are planning to go camping in a moor with the absent minded and insect loving Mr. Luffy, a teacher at Julian and Dick's school. When they arrive, they find that their camping site is close to a farm, and that several old train tracks run under the moors, some of them unused. They soon make friends with a boy named Jock, who lives at the farm with his mother and stepfather, its owners. While exploring the moor, the Five find a railway yard and a tunnel that are apparently abandoned. A watchman tells them that "Spook trains" travel along those tracks before chasing them away.
The children visit the farm the next day and tell Jock about the spook trains. They are surprised to find that most of the farm labourers are not working properly although Jock's stepfather, Mr. Andrews, has supplied the farm with a lot of expensive equipment and vehicles. When Mr. Andrews hears about the spook trains, he warns the children to stay away from the railway yard, and tries to prevent Jock from meeting the Five over the next few days.