Here's one quote from the Times obituary of Hillerman:
In her review, Janet Maslin observes that "the overriding quality that emerges from George, Being George is enthusiasm: Mr. Plimpton’s infectious joie de vivre . . . He did his best to treat life as a nonstop party."
His stories, while steeped in contemporary crime, often describe people struggling to maintain ancient traditions in the modern world. The books are instructive about ancient tribal beliefs and customs, from purification rituals to incest taboos.