Without seeing the pattern, it's kind of hard to tell. But here's a link to Debbie Bliss pattern errata. I don't see the book you mention, but the pattern may be a reprint. It's worth a look:
http://www.debbieblissonline.com/PatternRevision.asp
Good luck!
__________________
Charlotte
justcharlotte on Ravelry
Never give up, never give in.
Adapt, Improvise, Overcome.