Books that I recommend . . .
The Mastiff and Bullmastiff Handbook
Douglas B. Oliff

The History and Management of the Mastiff
E.J. Baxter and P.B. Hoffman

The Mastiffs The Big Game Hunters (I have the hard cover)
Col. David Hancock

The Complete Mastiff
Betty Baxter and David Blaxter

Dr. Pitcairn's Complete Guide to Natural Health for Dogs & Cats
(I highly recommend adding this to your library no matter what your
chosen breed may be)

Solving the Mysteries of Breed Type
Richard Beauchamp

An Eye for a Dog-An Illustrated Guide to Judging Purebred Dogs
Robert Cole

The Winning Edge
George Alston

Dr Ian' Dunbar's After You Get Your Puppy
FREE DOWNLOAD!!!
http://www.dogdaysnw.com/doc/AFTERYouGetYourPuppy.pdf