Introducing A Revolutionary New Quick-Reference Book for Nurses. NowNotes is a pocket-sized, tabbed reference book that includes measurements, definitions, abbreviations, interpretations and other important information that is useful to any professional nurse. Just Imagine... finding the answers to basic questions you have everyday on the job. All in the palm of your hand. NowNotes is a great companion to textbooks for any nursing student. It makes a great study guide, and because of its user-friendly design it can easily fit into the side pocket of a backpack.