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First Friend: A History of Dogs and Humans By Katharine Rogers
http://books.google.co.in/books?id=AC95cdzhg_4C&printsec=frontcover&dq=relation+of+dogs+and+humans&source=bl&ots=ENV5RlfgfQ&sig=VhUBMfG1yFcx6LjfxuFtqUtMQ7o&hl=en&ei=tPfKTLeGC4KKvQOurdXTDw&sa=X&oi=book_result&ct=result&resnum=2&ved=0CB0Q6AEwATgK#v=onepage&q=relation%20of%20dogs%20and%20humans&f=false
For more than 10,000 years humans have depended on dogs to help them hunt, heard their flock and guard their homes.
Slowly, dog began to be a part of a man's family.
The dog found emotional needs of love and care and humans found a child that who always be dependent and admiring,who never grew up or criticized them.
