Tower of Dago
Author: first_name: Mór
last_name: Jókai
Language: English
Year: 1899

This is the story of Feodor von Ungern, who, betrayed by his brother Zeno, installs himself with his son and a group of his most trusted men in a dark tower on the island of Dago. Sheltered in this tower, he terrorises the seas, until, one day, his brother falls into his hands...  - Summary by Carolin