Hunter S. Thompson, Fear and Loathing in Las Vegas, 1971

This cult classic of gonzo journalism is the best chronicle of drug-soaked, addle-brained, rollicking good times ever committed to the printed page.  It is also the tale of a long weekend road trip that has gone down in the annals of American pop culture as one of the strangest journeys ever undertaken. [Source]

The book is a roman à clef, rooted in autobiographical incidents. The story follows its protagonist, Raoul Duke, and his attorney, Doctor Gonzo, as they descend on Las Vegas to chase the American Dream through a drug-induced haze, all the while ruminating on the failure of the 1960s countercultural movement. The work is Thompson's most famous book, and is noted for its lurid descriptions of illicit drug use and its early retrospective on the culture of the 1960s. [Source]

Fear and Loathing in Las Vegas