This is a short book, full of suggestions, advice, and even sample itineraries. I’ve gotten a bunch of good ideas from it, as well as reinforcing others.
100 Parks, 5,000 Ideas: Where to Go, When to Go, What to See, What to Do – A travel book published by National Geographic about the American National Parks.
The author picked 25 of Japan’s most impressive castles. Each section consists of 4-6 pages with its own map directions, fantastic photography and explanations