Prob­a­bly the best expla­na­tion of the Mayan cal­en­dar so far. If for noth­ing else, Ian Xen Lund­gold, who died in 2005, will be remem­bered for this one. He speaks vol­umes on the topic, explain­ing clearly the tech­ni­cal work­ing of the mys­ti­fied Mayan knowl­edge and com­par­ing its pre­dic­tions with the his­tor­i­cal facts through­out the times. In his research Ian col­lab­o­rated a great deal with the most respected sci­en­tist of this field, Carl Calleman.

Part 1

Part 2

Part 3