> Note, there is a comment feature in the online book -- but you have to
Yes, but if you read User Agreement at login : "Please read agreement below. By logging you accept the agreement. THIS IS NOT A PLACE TO ASK QUESTIONS, SUBMIT BUGS OR COMPLAINTS. If you have a quesiton ask on the Google Group. Bug reports should be submitted to Google code. For complaints email the author. If you open here a wiki page or a thread discussion with a question or a complaint you will be banned. "
