The Life Cycle Library for Young People Lot 1-4 is a vintage reference book set published by the Parent and Child Institute in 1969. This four-volume set provides a comprehensive resource for parents, medical professionals, and young adults regarding topics such as pregnancy, puberty, sexuality, and family planning. Each hardcover volume is illustrated with color images and packed with valuable information, making it a collectible for health care workers, midwives, and doulas. This professional edition is a historic medical resource and an essential tool for homeschooling parents or anyone seeking answers to critical questions about the circle of life.