The book includes three stories by Kir Bulychev - “Gai-do”, “Prisoners of the Yamagiri-Maru” and “The End of Atlantis”. In the first story, Alice, Pashka Geraskin and Arkasha Sapozhkov decide to participate in the space race, but for this they need a ship. In search of it, they find an intelligent spaceship named Gaido, with which they go to the planet Five-Four in the hope of finding the untold treasures of mysterious wanderers... In the stories “Prisoners of the Yamagiri-Maru” and “The End of Atlantis,” inseparable friends Alice and Pashka They rush on a bathyscaphe into the ocean depths, where many secrets have been hidden since the time of the legendary Atlantis and amazing adventures await at every step. The publication reproduces 88 drawings by the writer’s most famous illustrator, Evgeny Migunov.