Ekaterina Vladimirovna Andrejeva (1900-1977), who appears to have been Estonian  published a book in Polish in the mid-1950’s entitled Riddles of the Ages. In 1966 a book, Atlantis, Finding a Lost World [translated by Ji?í Rödling (1910 - )] was published by her in Czech, which reviewed many of the world’s mysteries, such as Easter Island, Sannikov’s Land and Atlantis. The author used the latest geological data of the day to confirm her belief in the reality of Atlantis.