Baby Professor 
The Mayans Developed a Calendar, Mathematics and Astronomy | Mayan History Books Grade 4 | Children’s Ancient History 

Did you know that before Aristotle and Galileo there were the Mayans? The Mayans were an ancient civilization that once lived in Mexico. They were intelligent people who developed their own calendar and studied math as well as astronomy. Develop an appreciation for this ancient civilization by reading all about them. Go ahead and grab a copy today!

About the author

Baby Professor showcases a collection of subjects that are educational for kids to help them learn how to do something themselves, exactly how something is done or how it came about. Children love to learn through attractive visuals and Baby Prof. is ideal to get your child the head start he or she needs for the future. Our Motto – ‘Learning is Fun, so let’s Make it Fun to Learn’.