Cycles in Time The Maya Calendar Author:John Montgomery Probably the ancient world's most complex system for keeping track of time, the Maya calendar comprises a positional notation system combined with cyclical epochs used to record myth and religion and keep track of history. Written by a professional scholar of Maya hieroglyphic writing and illustrator of Precolumbian art, CYCLES IN TIME: THE MAYA... more » CALENDAR offers step-by-step instruction on reading Maya dates and interpreting their significance.« less