Share 'Homepage Usability and other technical books'

I'm interested to hear what software-related books people are reading. I recently finished "Mastering Regular Expressions". That took me a couple of months to get through, so my current book is a bit lighter: Jakob Nielsen's "Homepage Usability". Nielsen criticizes the homepages of 50 websites. His dogmatic tone is a bit annoying, but I find myself agreeing with his recommendations. A pet pe...