Too Long; Didn't Read
The Sunken Empire, by H. Thompson Rich, by Astounding Stories of Super-Science January 1931. The book is part of HackerNoon’s Book Blog Post series. You can jump to any chapter in this book here. The author of the book is Professor Martin Stevens, a New York-based professor and author of a book about the lost continent of Atlantis. The Sargasso Sea is an area almost equal to Europe, and covers land of far more recent submergence than Atlantis, according to Plato.