Download or read book The Mayans' Calendars and Advanced Writing System - History Books Age 9-12 | Children's History Books written by Baby Professor and published by Speedy Publishing LLC. This book was released on 2017-12-01 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Mayan calendar was one that calculated the end of the world. It once brought historians, philosophers and thinkers fear of the coming doom. In this book, however, we are going to look at the topic objectively. We are not going to focus on the prophecies. We are only going to appreciate the fact that the Mayans were very advanced of their time. Read history books today!