13 Novels by Clifford D. Simak

All Flesh is Grass is a science fiction novel by American author Clifford D. Simak, published in 1965. The book follows a small town in Wisconsin that is closed off from the outside world by a mysterious barrier, placed by extraterrestrial beings.

City is a 1952 science fiction fix-up novel by American writer Clifford D. Simak. The original version consists of eight linked short stories, all originally published in Astounding Science Fiction under the editorship of John W. Campbell between 1944 and 1951, along with brief "notes" on each of the stories. These notes were specially written for the book, and serve as a bridging story of their own. The book was reprinted as ACE #D-283 in 1958, cover illustration by Ed Valigursky.

Cosmic Engineers is a science fiction novel by American author Clifford D. Simak. It was published in 1950 by Gnome Press in an edition of 6,000 copies, of which 1,000 were bound in paperback for an armed forces edition. The novel was originally serialized in the magazine Astounding in 1939.

"The Creator" is a science fiction novelette by American writer Clifford D. Simak. It was published in book form in 1946 by Crawford Publications in an edition of 500 copies. It had previously appeared in the September 1935 issue of the magazine Marvel Tales.

The Goblin Reservation is a 1968 science fiction novel by American writer Clifford D. Simak, featuring an educated Neanderthal, a biomechanical sabertooth tiger, aliens that move about on wheels, a man who time-travels using an unreliable device implanted in his brain, a ghost, trolls, banshees, goblins, a dragon and even Shakespeare himself. The Goblin Reservation was a Hugo Award nominee in 1969 and was originally serialized in Galaxy Science Fiction magazine.

Project Pope is a science fiction novel by the American author Clifford Simak, published in 1981 by Ballantine Books. The novel is about a group of robots and humans living on a planet called the End of Nothing. Their mission is to search the universe and other dimensions to seek out true religion and knowledge. They add the information they gather to their Pope, a robotic supercomputer, in order to make an infallible authority of all knowledge and religion. The novel was nominated for both a Hugo Award for Best Novel and a Locus Award for Best SF novel in 1982.

Ring Around the Sun is a science fiction novel by American writer Clifford D. Simak. Its anti-urban and pro-agrarian sentiments are typical of much of Simak's work.

Shakespeare's Planet is a 1976 science-fiction novel by Clifford D. Simak.

Time and Again is a 1951 science fiction novel by American writer Clifford D. Simak. An alternate paperback title was First He Died; it was also serialized as Time Quarry.

Time is the Simplest Thing is a science fiction novel by Clifford D. Simak, first published in 1961. The story combines paranormal abilities with themes of space and time travel. The underlying theme is intolerance of ordinary people towards those with unusual abilities.

The Visitors is a 1980 science fiction novel by American author Clifford D. Simak. It is based on a similar story of the same name, which was published in serial form in Analog magazine.

Way Station is a 1963 science fiction novel by American writer Clifford D. Simak, originally published as Here Gather the Stars in two parts in Galaxy Magazine in June and August 1963. Way Station won the 1964 Hugo Award for Best Novel.

The Werewolf Principle is a 1967 science fiction novel by American writer Clifford D. Simak. It was originally published by Putnam, with a paperback edition following from Berkley Books in 1968. A British hardcover was also released in 1967, with translations following into French, Italian, German, Portuguese, Dutch, and Lithuanian. Later American paperbacks were issued by DAW Books and by Carroll & Graf.