Bartlett Publishing has put together several lists of books available from many various publishers which are essential reading for anyone interested in the topic. Check them out today!
You can view the articles from the blogs which preceded these at the following URLs:
Someone posted a link to a book that looks fantastic -- Naming Infinity. I'm a big fan of infinity (both in philosophy and mathematics), and have been learning more about it. This looks like a great contribution to the discussion.
A friend of mine posted this review of it.