A reviewer once called Peter Viereck's thought "not common sense but inspired, electric common sense." This volume of Viereck's selected essays on poetry and on history, written between 1938 through 2004, exemplifies this quality. Its main theme is suggested in Viereck's coined phrase "strict wildness," which suggests a balance between restraint (which by itself is staid and rigid) and passion (which by itself is incoherent). Frost called free verse...