Can dogs really smile? It's a bone of contention, but yes, they can! Dogs Who Smile is jam-packed with ludicrously funny photos of the happiest hounds around. From beaming Border Collies and delighted Daschunds, to laughing Labradors and cheerful Chihuahuas, some pooches love their dog's life so much they've got to smile about it. Guaranteed to make you howl with laughter, this is a must for any dog lover.