Cruickshank, Donald R. The act of teaching / Donald R. Cruickshank, Deborah Bainer Jenkins, Kim K. Metcalf. - 6th ed. - New York, NY : McGraw-Hill, 2011. - xxii, 537 p. : ill. (some col.) ; 28 cm. Includes indexes. ISBN: 9780078097911 RM423.20 Subjects--Topical Terms: Teaching.Lesson planning.