"Lizzy and the Light Below" gives mothers a beautiful tool for explaining and celebrating their daughters' first menstruation. Going beyond the important message that menstruation is a natural process and a sign of good health and fertility, this story tells how a girl named Lizzy--who has just had her first period--accidentally journeys to a friendly otherworld where she learns that human culture originated from the earliest women's understanding of their menstruation--from their simple mathematics of counting the moon's phases to their development of the earliest religious beliefs and...