Published by Historical Science Publishing, Saratoga, CA, 2006
ISBN 10: 0966116313 ISBN 13: 9780966116311
Softcover. Condition: Fine. Fourth Edition. 8" x 10" Softcover; 102pp; Covers clean & bright, text unmarked, binding is tight, as new, Fine condition. Guide to the Aztec calendar explaining the riddles of why the native timekeepers used a 260-day count, what the purpose of the 5,125 year count cycle was and how the legend of the five suns originated. Illustrated throughout.