No book at all and any walls or windows would have come from my mind alone. I give the topic a richer look in the book. Here, I'll just remind you to keep those books in their place. They are tools of limited use and varying worth. The tourism industry will take your money and give you apre-packaged, usually okay, sometimes great tourist experience that you can enjoy with few worries.
Independents reap the rewards that only personal design and self-responsibility can yield.
For a hard look at the issue, take a peek at The World Awaits .