Conversation so far:
What is Fear and Loathing in Las Vegas?
The result of the trip to Las Vegas became the 1972 book Fear and Loathing in Las Vegas.
Did it do well?
the book was greeted with considerable critical acclaim, including being heralded by The New York Times as "by far the best book yet.
Did he write it in Vegas?
CANNOTANSWER.
who published the book?
the 1972 book Fear and Loathing in Las Vegas, which first appeared in the November 1971 issues of Rolling Stone as a two-part series.
Did anyone reject it?
Thompson first submitted to Sports Illustrated a manuscript of 2,500 words, which was, as he later wrote, "aggressively rejected.

Question: what is the book about?
Self-contained rewrite: What is the book "Fear and Loathing in Las Vegas" about?