Lewis, Catherine C. Lesson study step by step how teacher learning communities improve instruction Catherine C. Lewis and Jacqueline Hurd. - Portsmouth, NH Heinemann c2011 - ix, 164 p. ISBN: 9780325009643 (alk. paper) 0325009643 (alk. paper) Subjects--Topical Terms: Lesson planning--Study and teaching.Professional learning communities. Dewey Class. No.: Res 371.3028 L5851 2011