Genus Homo is a science fiction

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 novel by L. Sprague de Camp

L. Sprague de Camp

Lyon Sprague de Camp was an American author of science fiction and fantasy books, non-fiction and biography. In a writing career spanning 60 years, he wrote over 100 books, including novels and notable works of non-fiction, including biographies of other important fantasy authors...

 and P. Schuyler Miller

P. Schuyler Miller

Peter Schuyler Miller was an American science fiction writer and critic.-Life:Miller was raised in New York's Mohawk Valley, which led to a life-long interest in the Iroquois Indians. He pursued this as an amateur archaeologist and a member of the New York State Archaeological Association.He...

. It was first published in the science fiction magazine Super Science Stories

Super Science Stories

Super Science Stories was an American pulp science fiction magazine published by Popular Publications from 1940 and 1943, and again from 1949 to 1951. Popular launched it under their "Fictioneers" imprint, which they used for magazines paying writers less than one cent per word...

for March, 1941, and subsequently published in book form in hardcover by Fantasy Press

Fantasy Press

Fantasy Press was an American publishing house specialising in fantasy and science fiction titles. Established in 1946 by Lloyd Arthur Eshbach in Reading, Pennsylvania, it was most notable for publishing the works of authors such as Robert A. Heinlein and E. E. Smith...

 in 1950 and in paperback by Berkley Books

Berkley Books

Berkley Books is an imprint of Penguin Group that began as an independent company in 1955. It was established by Charles Byrne and Frederic Klein, who were working for Avon and formed "Chic News Company". They renamed it Berkley Publishing Co. in 1955. They soon found a niche in science fiction...

 in 1961. An E-book

E-book

An electronic book is a book-length publication in digital form, consisting of text, images, or both, and produced on, published through, and readable on computers or other electronic devices. Sometimes the equivalent of a conventional printed book, e-books can also be born digital...

 edition was published by Gollancz

Victor Gollancz Ltd

Victor Gollancz Ltd was a major British book publishing house of the twentieth century. It was founded in 1927 by Victor Gollancz and specialised in the publication of high quality literature, nonfiction and popular fiction, including science fiction. Upon Gollancz's death in 1967, ownership...

's SF Gateway imprint on September 29, 2011 as part of a general release of de Camp's works in electronic form. It has also been translated into French

French language

French is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the regions of Quebec and Acadia in Canada, and by various communities elsewhere. Second-language speakers of French are distributed throughout many parts...

, Italian

Italian language

Italian is a Romance language spoken mainly in Europe: Italy, Switzerland, San Marino, Vatican City, by minorities in Malta, Monaco, Croatia, Slovenia, France, Libya, Eritrea, and Somalia, and by immigrant communities in the Americas and Australia...

 and German

German language

German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....

.

The book has the distinction of being de Camp's first science fiction novel, and Miller's only novel. It is perhaps the earliest work of fiction dealing with the afterwards popular theme of humanity being replaced by intelligent apes in the future, later epitomized by Pierre Boulle

Pierre Boulle

Pierre Boulle was a French novelist largely known for two famous works, The Bridge over the River Kwai and Planet of the Apes .-Biography:...

's Planet of the Apes.

Plot

A bus is trapped in the cave-in of a tunnel, and its passengers are preserved for millennia in a state of suspended animation. When their vehicle is ultimately uncovered they awaken to a future in which humankind has vanished from the face of the earth, and gorillas have evolved to intelligence and become the dominant species. The preserved humans must now adjust to a world in which they have become obsolete.

Reception

Groff Conklin

Groff Conklin

Edward Groff Conklin was a leading science fiction anthologist. He edited 40 anthologies of science fiction, one of mystery stories , wrote books on home improvement and was a freelance writer on scientific subjects as well as a published poet...

 noted that although the execution of the novel was flawed, it remained "a story with real merit." Astounding's reviewer declared it to be "a delightful volume," citing its "humor, sound science, and certain sly digs at the history and events of our own time."