Best veg cookbooks?

I've reviewed a small handful of vegetarian and vegan cookbooks in the past, but with so many great vegan cookbooks out there, it can be daunting to browse them all and know which ones are best! So I'm wondering: What's your favorite vegetarian or vegan cookbook and why? Do you have a classic favorite that you turn to again and again? Or do you prefer the hot-off-the-presses trendy vegan cookbooks that are hitting the shelves?

See what other people think makes the perfect vegetarian cookbook and join in the discussion by posting your favorite vegetarian cookbook here.