By signing up to the pets at home vip club when you nominate dogs trust as your charity then every time you shop and swipe your vip card you are building vital lifelines which our rehoming centres can then use to buy treats or toys. Published in 1994 the book explains corens theories about the differences in intelligence between different breeds of dogs. The intelligence of dogs is a book on dog intelligence by stanley coren a professor of canine psychology at the university of british columbia in vancouver.