By JEANNE RICE | Norwalk librarian The Norwalk Public Library has two new children’s nonfiction titles: • “May I Pet Your Dog?” by Stephanie Calmenson and illustrated by Jan Ormerod (how-to guide for kids meeting dogs and dogs meeting kids) • “Therapy Dogs” by Kimberly M. Hutmacher; Gail Saunders-Smith, PhD, consulting editor; and Linda Murray, evaluator,…