I'm a garden designer and a big fan of exceptionally executed work. It is sometimes surprisingly hard to find good design work in design books, I often see one or two new ideas but almost never a whole book of inspiration like I found here.
This book is both a pleasure to look through and also to read. I find new inspiration every time I open it, it is the most diverse book on Japanese garden design I've seen. Many other books illustrate basic Japanese garden design principles, but their gardens usually look very similar. This book escapes that trap stunningly. Use it for information, inspiration, imagination.
You cannot go wrong here if design well done, exectued, maintained, and photographed is what you're looking for.