About the book: 1984 / Expedition "Gondwana" - 1Scientific research vessel "Sadko", other expedition ships go in search of the sunken continent of Gondwana. Courageous researchers find themselves in a mysterious underwater settlement located in the depths of the ocean, on the slopes of the steep Hare Mountain. The writer tells about adventures under water and on distant tropical land, about the difficult trials that befell ocean researchers in his new novel.