Name The Orbital Calendar and Mayan Time Cycles GUIDEBOOK Price $9.50 Brief Description 52-page book describing the astronomical features of the Orbital Calendar including the highly original Mayan Nested Time Cycles Chart. Sold Separately, Extended Description A combined monograph for both the beginner learner as well as the advanced learner interested in Time spce studies, this short book highlights the interconnections between members of our Solar system and how the Mayans of Central America determined an intricate reckoning of time through the ages leading up to the once in every 250 million years alignment with the Galactic Center.