Now updated and revised for the next generation of young women. This book will be passed on by the previous 200,000 women who came through puberty thanks to this groundbreaking book, first published in 1979. PERIOD. explains in a straightforward manner and with line drawings, the changes all girls go through; how to handle the onset of one's menstrual cycle and answers common questions. The supportive voice and emphasis on uniqueness paves the way for a healthy attitude about bodies. There is an open-dated calendar and send-for information.