Feast of Souls focuses on the creation of Spanish missions and colonies in Florida and New Mexico by analyzing their relations with the local Native American tribes. Robert C. Galgano argues that the monograph shows the importance that the Native Americans played in shaping the Spanish missions in Florida and New Mexico. Galgano advances his argument by illustrating how the expansions of the Spanish missions and colonies led to relations with local Native Americans causing the two cultures to intermingle. The author uses manuscripts, scholarly monographs, and other secondary sources to support his thesis. To support his argument, Galangano cites the memoirs of Friar Alonso de Benavides. Using Benavides memoirs, the author shows the Native American