The Maya priests who used the Paris Codex could see the myriad forces of the Maya spirit world arranged and organized on the pages before them. The interweaving of cycles within cycles became comprehensible and predictable. The invisible world became perceptible. With this publication of The Paris Codex, contemporary students of the Maya, scholars and amateurs alike, can have the same experience as they look into these pages and discover the unity and harmony of the Maya cosmos.