In this epistolary science fiction novel, two rival agents, Red and Blue, find themselves on opposite sides of a sprawling temporal conflict known as the Time War. As they carry out missions to manipulate the strands of history for their respective factions, their paths cross in unexpected ways. Through a series of secret letters left across time and space, what begins as taunting correspondence evolves into a deep, forbidden connection. The narrative weaves a complex tapestry of time-travel and intrigue, exploring themes of love, identity, and the consequences of actions within the ever-shifting sands of time. As their bond deepens, Red and Blue must ultimately decide where their loyalties lie and what sacrifices they are willing to make for a chance at a future together.

"Fifth Sun" offers a comprehensive history of the Aztecs based on indigenous texts written in the Nahuatl language. The book challenges conventional narratives derived from Spanish sources, presenting an insightful perspective on Aztec life, culture, and politics from the viewpoint of the Aztecs themselves. Through a detailed examination of these native texts, the book reconstructs the rich tapestry of a complex society, exploring its rise, its interactions with neighboring peoples, and its eventual confrontation with the Spanish conquistadors. This work provides a nuanced understanding of the Aztec civilization by highlighting their intellectual achievements, societal norms, and the internal and external challenges they faced.