is the first thrilling instalment in the Adventure series by Enid Blyton, one of the best-loved children's writers of all time. This gorgeous edition of the classic adventure features an iconic retro cover adapted from the original cover artwork by Stuart Tresilian.

For Philip, Dinah, Lucy-Ann, Jack and Kiki the parrot, the summer holidays in Cornwall are everything they'd hoped for. Until they begin to realize that something very sinister is taking place on the mysterious Isle of Gloom - where a dangerous adventure awaits them in the abandoned copper mines and secret tunnels beneath the sea.

Discover more titles in the wondrous Adventure series with The Castle of Adventure, The Valley of Adventure, and The Sea of Adventure.