1993 Macmillan/McGraw-Hill Science, Science Turns Minds On -- Grade 5 Unit 22: Sound and Light (Paperback)(10"x8"x0.2") by Mary Atwater, Prentice Baptiste, Lucy Daniel, Jay Hackett , Richard Moyer, Carol Takemoto, & Nancy Wilson *** 0022742727 / 9780022742720 *** 80