In this remarkable book, James Barker follows the Yup'ik Eskimo of Alaska's Yukon-Kuskokwim Delta through their year's cycle, beginning with spring seal hunting and ending with the winter dancing that celebrates life on the land. Striking black-and-white photographs and accompanying text capture a people alert to every opportunity. Whether they are waiting for the weather to clear for hunting or preparing testimony on the effects of oil exploration, they are, in the words of Yup'ik Agnes Kelly Bostrom, "always getting ready."

For the Yup'ik, the realities of life on the delta have...