CONDITION - USED - Pages can include limited notes and highlighting, and the copy can include "From the library of" labels or previous owner inscriptions. Accessories such as CD, codes, toys, may not be included. Presented here is a safe, non-invasive, and effective method of birth control based on the recording and interpretation of signs and signals from a woman's own body. This book has been recommended by family planning centers for many years.

A Cooperative Method of Natural Birth Control, Used [Paperback]