Ted Kooser sees a writer's workbooks as the stepping-stones on which a poet makes his way across the stream of experience toward a poem. Because those wobbly stones are only inches above the quotidian rush, what's jotted there has an immediacy that is intimate and close to life. Kooser, winner of the Pulitzer Prize and a former U.S. poet laureate, has filled scores of workbooks. The Wheeling Year offers a sequence of contemplative prose...