. In the tradition of J. R. Ackerley”s My Dog Tulip and Christopher Smart’s “My Cat Jeoffry,” Patrick Keane’s “Rintrah” is a gorgeously jubilant, poignant, mysterious paean to the lifelong companionship of a pet. Patrick Keane is a great friend, a brilliant raconteur, an eminent scholar, and, yes, a lover of cats. This is his