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.

On a ravaged Earth, fate and circumstances bring together a disparate group of characters, including a fascist with dreams of a coup, a composer who plays his instrument with his mind, a First Lady who calls all the shots, and the world’s last practicing therapist. And they all must contend with an underclass that is beginning to ask a few too many questions, aided by a man called Loony Luke and his very persuasive pet alien.

When Dr. Jim Parsons awakens after a car accident, he finds himself in a future populated almost entirely by the young. But for the young to keep running the world, death is fetishized, and those who survive to old age are put down. In such a world, Parsons - with his innate desire to save lives - is a criminal and an outcast. For one revolutionary group, however, he may be just the savior they need to heal and revive their cryogenically frozen leader.

Jack Isidore doesn’t see the world like most people. According to his brother-in-law, Charley, he’s a crap artist, obsessed with his own bizarre theories and ideas, which he fanatically records in his many notebooks. He is so grossly unequipped for real life that his sister and brother-in-law feel compelled to rescue him from it. But while Fay and Charley Hume put on a happy face for the world, they prove to be just as sealed off from reality, in thrall to obsessions that are slightly more acceptable than Jack’s but a great deal uglier.

Following a devastating nuclear war, the Moral Reclamation government took over the world and forced its citizens to live by strictly puritanical rules - no premarital sex, drunkenness, or displaying of neon signs - all of which are reinforced through a constant barrage of public messages. The chief purveyor of these messages is Alan Purcell, next in line to become head of the propaganda bureau. But there is just one problem: a statue of the government’s founder has been vandalized.

Glen Runciter runs a lucrative business - deploying his teams of anti-psychics to corporate clients who want privacy and security from psychic spies. But when he and his top team are ambushed by a rival, he is gravely injured and placed in "half-life," a dreamlike state of suspended animation. Soon, though, the surviving members of the team begin experiencing some strange phenomena, such as Runciter's face appearing on coins and the world seeming to move backward in time.

Nick has a problem. He has a cat named Horace, and cats are quite illegal on Earth. In fact all pets are illegal on Earth, and Horace has been reported to the anti-pet man. The only way for Nick and his family to keep Horace is to emigrate to Plowman's Planet. Little did they know that, rather than the pastoral paradise Nick's father envisioned, they would land in the middle of a planetwide war against an entity known as Glimmung, a conflict in which Nick and Horace would play a pivotal role.

Gather Yourselves Together is one of Philip K. Dick’s earliest novels, written when he was just 24 years old. It tells the story of three American workers left behind in China by their employer, biding their time as the Communists advance. As they while away the days, both the young and naïve Carl Fitter and the older and worldly Verne Tildon vie for the affections of Barbara Mahler, a woman who may not be as tough-as-nails as she acts. But Carl’s innocence and Verne’s boorishness could end up driving Barbara away from both.

Jason Taverner - world-famous talk show host and man-about-town - wakes up one day to find that no one knows who he is - including the vast databases of the totalitarian government. And in a society where lack of identification is a crime, Taverner has no choice but to go on the run with a host of shady characters, including crooked cops and dealers of alien drugs. But do they know more than they are letting on? And just how can a person's identity be erased overnight?

Delmak-O is a dangerous planet. Though there are only 14 citizens, no one can trust anyone else and death can strike at any moment. The planet is vast and largely unexplored, populated mostly by gelatinous cube-shaped beings that give cryptic advice in the form of anagrams. Deities can be spoken to directly via a series of prayer amplifiers and transmitters, but they may not be happy about it. And the mysterious building in the distance draws all the colonists to it, but when they get there each sees a different motto on the front.