What is VALIS? This question is at the heart of Philip K. Dick's groundbreaking novel, the first book in his defining trilogy. When a beam of pink light begins giving a schizophrenic man named Horselover Fat (who just might also be known as Philip K. Dick) visions of an alternate Earth where the Roman Empire still reigns, he must decide whether he is crazy or whether a godlike entity is showing him the true nature of the world.

Bob Arctor is a dealer of the lethally addictive drug Substance D. Fred is the police agent assigned to tail and eventually bust him. To do so, Fred takes on the identity of a drug dealer named Bob Arctor. And since Substance D, which Arctor takes in massive doses, gradually splits the user's brain into two distinct, combative entities, Fred doesn't realize he is narcing on himself.

Ed Fletcher is a real estate agent with a normal life, until one day he leaves the house for work a few minutes later than he should have. He arrives at a terrifying, grey, ash world. Ed rushes home and tells his wife, Ruth, who goes back to the office with him. When they return, everything is normal. But he soon realizes people and objects have subtly changed.

On Mars, the harsh climate could make any colonist turn to drugs to escape a dead-end existence. Especially when the drug is Can-D, which transports its users into the idyllic world of a Barbie-esque character named Perky Pat. When the mysterious Palmer Eldritch arrives with a new drug called Chew-Z, he offers a more addictive experience, one that might bring the user closer to God. But in a world where everyone is tripping, no promises can be taken at face value.

It was January 2021, and Rick Deckard had a license to kill. Somewhere among the hordes of humans out there lurked several rogue androids. Deckard's assignment: find them and then..."retire" them. Trouble was, the androids all looked exactly like humans, and they didn't want to be found!

From early work like "Rescue Party" and "The Lion of Comarre", through classic stories including "The Star", "Earthlight", "The Nine Billion Names of God", and "The Sentinel" (kernel of the later novel and movie 2001: A Space Odyssey), all the way to later work like "A Meeting with Medusa" and "The Hammer of God", this comprehensive short story collection encapsulates one of the great science fiction careers of all time.

The Overlords appeared suddenly over every city - intellectually, technologically, and militarily superior to humankind. Benevolent, they made few demands: unify earth, eliminate poverty, and end war. With little rebellion, humankind agreed, and a golden age began.

The most thorough statement of one of Emerson's recurrent themes, the need for each individual to avoid conformity and false consistency, and follow his or her own instincts and ideas. It is the source of one of Emerson's most famous quotations, "A foolish consistency is the hobgoblin of little minds." This essay is a considered a watershed moment in which transcendentalism became a major cultural movement. An American classic.

H. G. Wells' classic science fiction work, first serialized in 1897, is one of many invasion narratives prevalent in British literature towards the end of the 19th century. However, The War of the Worlds not only introduces the extraterrestrial element of brutal Martian forces on the rampage but also explores many other contemporary issues and themes.

This classic science fiction masterwork by Isaac Asimov weaves stories about robots, humanity, and the deep questions of existence into a novel of shocking intelligence and heart.

Jenkins was a robot. He was built to be the perfect worker, tireless and uncomplaining. But, quite unexpectedly, he also became a close companion to generation after generation of his owners as the human race matured, moved beyond the confines of its once tiny planet, and eventually changed beyond all recognition.

Bringing his twin gifts of scientific speculation and scathing satire to bear on that hapless planet, Earth, Lem sends his unlucky cosmonaut, Ijon Tichy, to the Eighth Futurological Congress. Caught up in local revolution, Tichy is shot and so critically wounded that he is flashfrozen to await a future cure.

When Alex finds out he is Unwanted, he expects to die. That is the way of the people of Quill: Each year all the 13-year-olds are labeled as Wanted, Necessary, or Unwanted. Wanteds get more schooling and train to join the army. Necessaries keep the farms running. Unwanteds are set for elimination. It’s hard for Alex to leave behind his twin, Aaron, a Wanted, but he makes peace with his fate - until he discovers that instead of a “death farm”, what awaits him is a magical place called Artime.

Earth has become a library planet over the last several thousand years, a bastion of both useful and useless knowledge - esoterica of all types: History, science, politics - gathered by teams of "pack rats" who scour the galaxy for any scrap of information. Knowledge is power, knowledge is wealth, and knowledge can be a weapon. As powerful dictators come and go over the course of history, the cadre of dedicated librarians is sworn to obey the lawful government - and use their wits to protect the treasure trove of knowledge they have collected over the millennia.

Three astronauts land on a remote asteroid where everyone is frozen in place in the midst of their activities. The only one that moves reveals himself as the caretaker who explains that they are in an exclusive cemetery where the deads' greatest wishes can come true.