The World Set Free is a novel published in 1914 by H. G. Wells. The book is considered to foretell nuclear weapons.  It had appeared first in serialized form with a different ending as A Prophetic Trilogy, consisting of three books: A Trap to Catch the Sun, The Last War in the World and The World Set Free.

Public domain, available on Project Gutenberg, or download in epub, mobi (Kindle) or plain text.

The-World-Set-Free-by-Herbert-George-Wells