Total Recall (1990)

Back Cover:

Summary:

How would you know if someone stole your mind?

ReKall - the multimillion dollar manufacturer of synthetic memories. In the latter part of the 21st century, their trained min-implanters can make the impossible possible, adding spice to their clients' mundane existences. But construction worker Douglas Quaid's vividly imagined Martian fantasy masks a deadly secret: his true identity. And he's being hunted by a killer from an invented past that has suddenly become frighteningly, inexplicably real...