Quests was recently included on Sean M. Baity’s amazon.com list, “Must Read Books for Aspiring Game Designers.”
http://www.amazon.com/gp/richpub/listmania/fullview/R1IL3PL3SI0X0U/ref=cm_pdp_lm_title_1
I’m very appreciative of this listing, and it’s cool to see Mr. Baity’s credentials in terms of the many games which he has worked on as senior designer at electronic arts.
http://www.mobygames.com/developer/sheet/view/developerId,8377/