Since the publication of my two animal books, Kazan, the Wolf Dog and The Grizzly King, I have received so many hundreds of letters from friends of wild animal life, all of which were more or less of an inquiring nature, that I have been encouraged to incorporate in this preface of the third of my series - Baree, Son of Kazan - something more of my desire and hope in writing of wild life, and something of the foundation of fact whereupon this and its companion books have been written