I like both, but the 2nd one is more proffesional in its approach, except perhaps the name of the author could be a litte more defined in depth!
In some ways I like Cover B better than Cover A, but it bothers me that the word "Tibet" somewhat disappears into the mountain on that version. Unless you can strengthen words to make them stand out more against the background, then I would go with Cover A. In both cases, I like the photos in the background better than the type faces for the title.
Cover A probably conveys the message but I'd reach for Cover B as I love the included image of the temple.