We all know that Web Services is a technology which will certainly affect applications in the future, or even nowadays. Will "Implementation Patterns" say something about best patterns used to write web services?
Implementation Patterns covers coding issues, so there is nothing in there specifically about web services. To the extent that you need to code to implement or use a web service, however, the book could be helpful.
Kent Beck Three Rivers Institute
Author of <a href="http://www.amazon.com/exec/obidos/ASIN/0596007434/ref=jranch-20" target="_blank" rel="nofollow">JUnit Pocket Guide</a>