If you like deconstructing obfuscated c, then you may also enjoy Obfuscated C And Other Mysteries by Don Libes. In addition to coding advice, it looks at some of the top entries from the Obfuscated C Contest, 1984-1991.

http://www.amazon.com/gp/product/0471578053/

Also appears to be available as a reprint:

http://www.cafepress.com/libes.43758522

Obfuscated C Contest website:

http://www.ioccc.org/