There's a real dearth of biogs about one of F1's greats especially in English, so Hilton's book currently has very little competition.
It's a mixed bag which at times becomes positively lyrical in certain descriptions and then at other times it becomes bogged down in race by race summaries that as ever are functional and rather boring. There is virtually nothing about Prost's schooldays, wife and children. Still less about his mother, father and brother. There is however some interesting stuff about his karting days and formative steps in lower motor racing formula with quotes from the likes of Terry Fullerton.
The biggest disappointment for me however was the book's handling of the Senna/Prost rivalry. Hilton has written extensively on Ayrton and I felt he failed to really dig deep into those fractious years. I wanted much more analysis of the actual races, but as usual much of the detail was glossed over replaced with generic summaries.
The best part of the book is undoubtedly the comments from people like Watson, Johansson, Lauda, Fullerton, Bousquet and co.