The enigmatic and powerful Tlacaelel (1398-1487), wrote annalist Chimalpahin, was "the beginning and origin" of the Mexica monarchy in fifteenth-century Mesoamerica. Brother of the first Moteuczoma, Tlacaelel would become "the most powerful, feared, and esteemed man of all that the world had seen up to that time." But this outsize figure of Aztec history has also long been shrouded in mystery. In Tlacaelel Remembered, the first biography of the...