"América Hispánica: (1492-1898)" is a comprehensive historical analysis of Hispanic America from the time of Christopher Columbus's first voyage in 1492 to the end of Spanish rule in 1898. The author meticulously details the exploration, conquest, and colonization of the Americas, the establishment of Spanish rule, the socio-economic structures, and the eventual struggles for independence. The book offers a deep understanding of the complex and often turbulent history of Hispanic America during this period.

"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.