'You stand rooted to the spot or you run like mad'Hal and Roget Hunt head off for another challenging mission - this time to search for gorillas in the Congo jungle. But when the boys stumble across the evil trade in baby gorillas, someone seems determined to silence them once and for all.

Binding: Paperback;272 pages; Publisher: Penguin Random House Children's UK; Classification: Children?s / Teenage fiction and true stories; Weight: 252 g; Dimensions: 199 x 130 x 18

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