Through most of "About a Boy" I was struck at how similar it is to the movie. I haven't even seen the movie in quite some time, but it all rang very familiar. Will is a loner by choice, he's never had to work and takes pride in having no relationships to hold him down. Marcus is a loner by circumstance and lacks the tools to survive as a young person in society. Through Will's trying to seduce single mothers, the two meet and are able to help themselves through their shortcomings.
The book had a much stronger ending than the film. I also appreciated the era that the book was set in and the references to Nirvana. It was published in the late 90s and is set in the early 90s and rings true to my adolescence. Marcus meets a friend who wears a sweatshirt with a man who looks like Jesus on it, and that turns out to be Kurt Cobain. I thought it was a nice touch.
I would most surely recommend reading this book, it is very sweet and funny and I very much enjoyed it.