Is "Kathy Sierra Cowgirl and Author Member # 37766" really the "Kathy" who wrote the book HF EJB. If yes then lady please update:
http://www.oreilly.com/catalog/hfjejb/errata/hfjejb.confirmed with this issue, since you recognize the issue. I faced it and it dazed me a bit - had I not googled it could have been a potential show-stopper.
Nonetheless H F EJB is an amazing book - hugely appreciate your effort behind it.
- Rahul