R. M. Ballantyne 
Sunk at Sea 

First published in 1869, 'Sunk at Sea’ is the first in a series of stories by prolific author R.M. Ballantyne which feature adventurer Will Osten. Our hero is out at sea when the ship he is on is wrecked, and Will finds himself washed up on a mysterious desert island. He isn’t alone for long however, and soon discovers that the island is inhabited by a group of cannibals. Can Will escape them, and will he ever find his way off this island? A thrilling story, full of danger and near-misses for the charismatic hero. –