One such book could be 'The Hound of the Baskervilles'. It features a large and mysterious hound which is an important part of the story's mystery and atmosphere.
There is also 'Sounder'. The dog in this book is a hunting dog. The story delves into themes of family, poverty, and the relationship between the boy and the dog. It's a poignant tale that shows the loyalty of the hunting dog and the challenges faced by the family it belongs to.
Well, 'Old Yeller' is a classic. Although it's not solely about hunting, the dog in the story has hunting - related skills and is very much a part of the rural, hunting - like environment the story is set in. It shows the bond between a boy and his dog in a frontier - like setting where hunting was a common activity.