The Internet and the place I live (Israel) have cut me off of those great large book stores where you can browse endlessly for books you did not know you missed.
Presentation blogs (this one included) often talk about the same limited set of books about public speaking and presentation design. Here is a list of design books compiled by graphic designer Jason Santa Maria full of titles that look really interesting.
Found via SwissMiss. Image credit Google LIFE, an excellent source of images for non-commercial use.