About the book: 2021 / The first book in the series of adventures of Captain Future - a space superhero from the future, a genius of science and technology, an adventurer and the most implacable crime fighter of all time and peoples. Strange and frightening events occur on Jupiter; earthlings are exposed to an unknown influence that reverses evolution, turning people into wild ancestors. The police and intelligence services cannot establish the cause of the attack. The President of the Solar System turns to Captain Future for help, who will have to fight the Space Emperor.