"In When My Brother Was An Aztec, Natalie Diaz examines memory's role in human identity. Each section filters memory through specific individuals and settings. The first concentrates on a diabetic grandmother without legs and the landscape, tangible and intangible, of a Native American reservation. The second engages a brother's strife with drug-use and his unraveling of the family, the home. The third grapples with war as a character and its tattering...