English photographers Will Robson-Scott and Ollie Grove's photo book, "In Dogs We Trust," explores the special relationship between dogs and their owners. Here, Xavier and Oso pose in the Venice neighborhood of Los Angeles.
Furry friend Rosa Barks sticks her tongue out next to her owner in Greenpoint, Brooklyn, New York.
North London rapper Nasa poses with his dog Raj in 2010. Nasa speaks to Raj in Hindi.
Joe poses with his dog Molly on their houseboat on Regents Canal in London.
Dog breeder and trainer Dietrich holds his mastiffs at a 2009 dog show in Burbank, California.
Dietrich holds his two South African pit bulls. South African pit bulls are half pit bull and half French bulldog.