the book on carousels, one all the later books quote from and admire.
It is by far the most in-depth and informative of the carousel books I've read so far (and really, there are far fewer non-fiction books available than I would expect).
It does suffer from its age, however. It was published in 1964, so most of the photographs are in black and white, which is a great pity, given the colorful nature of the carousel.
Also, it's not particularly lively; it's worth reading if you already like carousels, but unlikely to inspire a cover-to-cover read if you don't.