Synopsis: J. Martin O'Hara leads an ordinary life as a technical writer - until the day he meets Cacabe Reyes Campos. The mysterious Indian claims O'Hara is the descendant of the Mayan God, Great True Jaguar, and only he, True Jaguar, can prevent Lana's Comet from destroying the Earth. O'Hara tries to run from a duty which he can scarcely believe is his, but his destiny was decided long ago. True Jaguar must journey to the underworld and challenge the mighty Mayan. (adaptec from the back cover of the first edition)