Firstly, I am more than aware that I am not the target audience for this book. Not just because I am too old, but also because I have never watched a game of rugby in my life. I've seen it happening in TV glimpses- it looks painful and the closest thing the 21st century has to actual Roman Gladiators.
The author has done an excellent job of telling a complex and interesting story in a very accessible way, which is certainly no easy task. I think a healthy interest in rugby is pretty crucial to enjoying this book. Though there are elements of family drama, an appealing underdog narrative and a bit of chilling mystery in the story, these are all bit-part players when compared to the overwhelming importance of rugby to the book. The author provides play by play commentary of several important games, so some technical knowledge is useful for these sections in particular. It's well written and maintains a good pace throughout, but I'm not sure if there's enough there for your regular non-rugby reader.