Pictorial binding of the hardcover Chihuahuas (1982),
the British Chihhuahua Club Official Handbook,
containing breed details and guides to showing,
ots of pictures.
Chihuahua Kingdom: The Realm of the Three-Pound Dog (1997)
by Brad Rand and Ernie Lowell (Brad Rand is a pseudonym).
Though called "Volume I," there was never a second volume of this
vanity press book from Canada. When the world wide web was
still quite young, chihuahuakingdom.com was among the first
big sites about the breed, and this book accumulated
the best information from that no longer extant web domain.