In A PLATYPUS' PRESIDENTS' DAY POEM, a zoo's platypuses are perturbed when some noisy tourists make a ruckus on an otherwise humdrum Monday in February. The most knowledgeable one among the mishmash mammals, a poetic platypus, upon learning that his fellow platypuses are in the dark not only about Presidents' Day, but also about what a president is and who the presidents are, puts them wise by reciting a poem in which he ably rattles off all forty-four...