R.M. Ballantyne 
THE DOG CRUSOE AND HIS MASTER (A Children’s Classic) [EPUB ebook] 
The Incredible Adventures of a Dog and His Master in the Western Prairies (From the Renowned Author of The Coral Island, The Pirate City and Under the Waves)

Crusoe is a super intelligent dog and a best friend of his young master Dick, who had rescued him, when he was only a little pup. Now Crusoe has made it his life’s mission to save his human partner from the various misfortunes and mishaps in the wild prairies, and which somehow always find a way to trouble young Dick!
R M Ballantyne was a famous children’s author and a renowned artist.