The protagonist of the series is the captain of the British Army Oswald Bastable . During his service in India, he will get into one of the temples and, during the earthquake that began, escapes through the tunnels. He gets to an alternative planet Earth, and from that moment his adventures in parallel universes begin. Each of the novels is a separate story and takes place on different planets of the Earth at different times. The first novel . Master of the Air . The main difference from our world is the undissolved and preserved its power of the British Empire. The second difference is in the complete absence of aircraft, whose place was taken by airships. And the problems remained the same and first of all the struggle for the independence of the colonies. The year is 1973.. In the direction of Hiroshima, an airship is moving, on board of which are Count Rudolfo Che Guevara, the long-lived emigrant Vladimir Ilyich Ulyanov and the atomic bomb...