This easy-to-read book tells women, step-by-step, how to understand and chart our body's signals to figure out when we can and cannot get pregnant. This is a non-religious approach to natural family planning, and includes instructions for using the method with a condom or diaphragm.Women can also use this book to figure out the best time to conceive. Other side benefits include: a better understanding of mood swings and other physical and emotional changes that accompany our menstrual cycle; and heightened awareness of abnormalities in our cycle.The simple writing style and plethora of pictures and diagrams make this a fun, interesting, and very useful book.