Philip K. Dick's searing metaphysical comedy of death and salvation is a tour de force of panoramic menace and unfettered slapstick, in which the departed give business advice, shop for their next incarnation, and run the continual risk of dying yet again.
Substance D is not known as Death for nothing. Undercover narcotics agent Bob Arctor is desperate to discover the ultimate source of supply, but to find any kind of lead he has to pose as a user. Without realising what is happening, he is soon as addicted as the junkies he works among.
