From the Back Cover *HA02, Discovery and Commitment: A Guide to College Writing, Leonard J. Rosen(Expository Writing Program/ Harvard University), H4249-2, 696 pp., 7 1/2 x 9 1/4, 0-205-142494-1, casebound, 1995, $24.00nk, December*/DISCOVERY AND COMMITMENT is a full writing guide with readings and handbook that focuses on critical thinking and reading as basic to forming and developing ideas for college-level writing. The readings serve both as examples for college writing occasions and as sources to spark discovery and commitment to writing ideas.