Conversation so far:
What was Macaulay Culkin's first acting gig when Macaulay Culkin returned?
In the spring of 2003, he made a guest appearance on the NBC sitcom Will & Grace.
Did he do any other acting?
Culkin headed back into motion pictures in 2003 with Party Monster.
What was his book about?
in which he played a role very different from those he was known for; that of party promoter Michael Alig, a drug user and murderer.
Was the movie a success?
Though Saved! only had modest success at the box office, Culkin received positive reviews for his role in the film and its implications for a career as an adult actor.
What other roles did he have?
In 2004, he appeared in the music video for the song "Sunday" by the rock band Sonic Youth.
Culkin began doing voice-over work.
What voice overs did he do?
began doing voice-over work, with appearances in Seth Green's Robot Chicken.
What other voice overs did he do?
CANNOTANSWER.
Are there any other interesting aspects about this article?
he published an experimental, semi-autobiographical novel, Junior, which featured details about Culkin's stardom and his shaky relationship with his father.

Question: What was the novel about?
Self-contained rewrite: What was Macaulay Culkin's novel Junior about?