Kidnapped: Immortal Illustrated Classics - Robert Louis Stevenson

David's Parents have died alone in this world. At 17, he is held as a ship's prisoner, where he meets a friend, Alan; suffers in a ship-wreck. He is denounced as a traitor but as fate would have it, was reunited with his friend who stays by his side through illness and also helps him to receive his inheritance. The story revolves around David and Alan and all the adventures they have.