Vril, the Power of the Coming Race

Vril: The Power of the Coming Race (also known simply as The Coming Race) is a science fiction novel written by Edward Bulwer-Lytton and first published in 1871. The novel introduces readers to a subterranean world inhabited by an advanced, utopian civilization called the "Vril-ya." The key to the power and success of this society is their mastery of a mysterious energy force known as "Vril."