Anna Brand, an English girl living in the Urals, and Ivan Godenko, a Russian boy from Fort Raim on the frontier of the Russian Empire, meet when they are captured by roving bandits and sold into slavery.
But the two clever youngsters are more than a match for their evil masters, and their powerful will to escape leads them to outwit villainous kings, spies and bandits as they try to discover the identity of the mysterious Black Avenger who seems to be shadowing their every move.
Anna Brand, an English girl living in the Urals, and Ivan Godenko, a Russian boy from Fort Raim on the frontier of the Russian Empire, meet when they are captured by roving bandits and sold into slavery.
But the two clever youngsters are more than a match for their evil masters, and their powerful will to escape leads them to outwit villainous kings, spies and bandits as they try to discover the identity of the mysterious Black Avenger who seems to be shadowing their every move.