The Lunar Calendar tracks the waxing and waning cycles of the moon. Beautiful, hand-drawn graphics are created by Katheren Belle, while the dates used to chart the lunar phases are from the Nautical Almanac Office at the U.S. Naval Observatory. Useful for farmers, fishermen, teachers, children, or anyone who wants to be more mindful of nature's rhythms. Printed with vegetable-based inks on heavy 100% recycled paper. A Schoolhouse Exclusive.