Arf! Bark! Bow wow! That’s what dogs say, but just what are they trying to tell us? Find out: Why they chase their tails. Reasons to play fetch at 6 a.m. What’s so great about fire hydrants? Which collars they don’t want to wear and why. From a posh, perfumed lapdog to the ever-hungry chow hound, dogs tell you why cats drool and dogs rule!