From New York Times bestseller Spencer Quinn comes book 3 in the laugh-out-loud series about the most epic rivalry of our time... Arthur the dog vs. Queenie the cat.Arthur doesn't always remember where he buried his bone, or what he was doing before he started scratching his ear, but he never forgets three important facts:1) Bacon is delicious2) He loves his humans, twins Bro and Harmony, with all his heart3) Queenie the cat is out to...