The Aztecs - History Detectives Author:Philip Ardagh, Colin King (Illustrator) Enemy Spy is an action-packed mystery adventure set in the Aztec Empire -- where you have to unmask the spy who is working against the Aztec general. There are clues to spot, suspects to follow and questions that need answers… — …answers that can be found earlier in the pages of The Aztecs -- a fact-filled record of li... more »fe in those fascinating times -- with full-color illustrations reconstructing life in the past, and photographs of the evidence the Aztecs left behind.« less