Conversation so far:
What was Macaulay Culkin's first acting gig when he returned?
Macaulay Culkin headed back into motion pictures in 2003 with Party Monster, in which he played a party promoter Michael Alig, a drug user and murderer.
Did Macaulay Culkin do any other acting besides Party Monster, in which he played a party promoter Michael Alig, a drug user and murderer?
Macaulay Culkin quickly followed Party Monster with a supporting part in Saved!, as a cynical wheelchair-using, non-Christian student in a conservative Christian high school.

Question: What was his book about?
Self-contained rewrite: What was Macaulay Culkin's book about?