Complex sentence: The book was based on his reporting for Rolling Stone, where he was a colleague of Hunter S. Thompson who is profiled in the book along with other "heavies" such as R.W. Apple, David Broder, and Robert Novak.
Split into simpler sentences: The book was based on his reporting for Rolling Stone, where he was a colleague of Hunter S. Thompson. Thompson is profiled in the book along with other "heavies" such as R.W. Apple, David Broder, and Robert Novak.