""Giants, Civilizations and Submerged Continents Traced in History"" is a book written by Helena Petrovna Blavatsky, a prominent figure in the Theosophical Society. In this book, Blavatsky explores the idea of ancient civilizations and lost continents, such as Atlantis and Lemuria, and the existence of giant beings in prehistoric times. She draws upon various sources, including ancient texts and myths, to support her claims and offers her own interpretations...