The Aztlan sourcebook describes the people, history, economy and current affairsof the nation of Aztlan, including details on Aztechnology Corporation, the unusual magic practiced by Aztlaner citizens, and the Yucatan conflict. This book also describes many aspects of life in Tenochtitlan (formerly Mexico City), and provides new rules for Aztlaner magic and Aztechnology corporate personnel. For use with Shadowrun, Second Edition.