A book I'm really looking forward to is Beautiful Code, which contains a series of essays by programmers who are considered to be some of the best in the world.
I have to admit, I don't know the work of most of them, which is something I plan to remedy ASAP. However, there are plenty in there whom I do know: Brian Kernighan, Tim Bray, Elliotte Rusty Harold, Charles Petzold, Simon Peyton Jones and last, but definitely not least, Yukihiro Matsumoto!
The titles of the other essays have me intrigued enough to search out details of their authors, too.
Sadly, the book isn't due out until sometime in June, when all my time will be consumed reading iPhone reviews :-).