Rip esselstyn, author of the engine 2 diet calls this recipe the "Almighty healthy sandwich wrap" And observes that "Our very own station 2 won the 2003 austin fire departments healthy wagon contest with this very healthful and tasty lunch/dinner wrap. The judges included three expertsthe fire departments in-house health specialist, a local representative from the american heart association, and a member of the mayors council for physical fitness. "This vegetarian and vegan black bean and hummus sandwich wrap recipe is reprinted with permission from the engine 2 diet, by rip esselstyn.