+ wishlist Add to Cart The item has been added Author: Karen Gravelle Jennifer Gravelle The Period Book: A Girl's Guide to Growing Up [9781619636620] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 20 - 99 40% 100 - 249 42% 250 - 499 47% 500 - 999 49% 1000+ 51% List Price As Low as $13.99 Format: Paperback