"There once was a bear, a moose and a beaver who were the best of friends, though they often disagreed." So when the three friends go canoeing together one sunny day, it doesn't take long for them to start quarreling with one another. First, they can't decide who should get to steer the canoe. Later, they debate how best to get across a beaver dam that blocks their way. But when they can't agree on the proper course for maneuvering through the...