"Camping." . . "Adventure stories." . . "Camping Juvenile fiction." . . "Famous Five (Fictitious characters)" . . . . "Five on a Secret Trail"@en . "Five on a Secret Trail" . "Five on a secret trail : Hodder & Stoughton"@en . . . . . . . "Juvenile works" . "Juvenile works"@en . . . . "Adventure fiction"@en . "Adventure fiction" . . . . . . "While camping out, the Famous Five investigate an old cottage with strange noises and ghostly lights."@en . "Literatura angielska dla młodzieży" . . . "Four friends and an injured dog witness some strange occurences while camping on a desolate common near an abandoned house."@en . "Four friends and an injured dog witness some strange occurences while camping on a desolate common near an abandoned house." . . "Speeches, oratory"@en . "Five on a secret trail (audio)"@en . . . . "Large type books" . . . . . . . . "Fiction"@en . "Fiction" . . . "Children"@en . "Cartographic maps atlases"@en . . . "Mystery fiction" . "Junior"@en . . . . . . . . "Detective and mystery stories"@en . . . . "Adventure stories" . "Adventure stories"@en . . . . "Five On A Secret Trail" . . . . . . . . . . . . . . . . . . . "Skrivni rov"@sl . . . "Five on a secret trail"@en . "Five on a secret trail" . . . . . "Children's stories"@en . . . "5 prijatelja na tajnome tragu" . "Na tajnome tragu" . "Children's stories" . . . . . . . . . . . "Mì dào tàixiăn" . . "Five on a Secret Trail ... Illustrations by Eileen Soper"@en . . . "Mystery and detective stories." . . "Famous Five (Fictitious characters) Juvenile fiction." . . "Adventure stories Juvenile literature." . .