I haven't read it, only read OF it over at scienceblogs.com . Anyway, I couldn't help myself.
I went out and bought it for my eldest girl who is convinced she wants to be a chemist. Anyway, she's only just looked at the cover and browsed the first story - and is already convinced she's going to like it.
Here's a few sites that mention it:
http://scienceblogs.com/cortex/2006/10/the_best_science_books_redux.php http://books.guardian.co.uk/news/articles/0,,1927916,00.html