Here are a few reviews that discuss my book:

http://www.amazon.com/review/R6B6I68PW7FPD/ref=cm_cr_rdp_perm

http://blog.bielu.com/2010/01/tomcat-6-developers-guide-book-review.html

http://blog.bielu.com/2010/01/tomcat-6-developers-guide-book-review.html#links

http://java.dzone.com/articles/tomcat-6-developer’s-guide