With this book and its supporting documents, the archaeologist states an interesting hypothesis: the great Lord buried, might be a Mixtec prince. The same serpent which appears in the Nuttall Codex and that conquered Cuilapa and married a Zapotec princess. Without ignoring scientific rigor, Roberto Gallegos’s research shows how it is possible to make statements grounded on historical and cultural events, transcending the sparse information given by the archaeological data.