ISBN 1559532548 books & textbook
Year 1: Teacher's Guide - The Pit and the Pendulum (Interactive Mathematics Program)
Alper, Lynne Fendel, Dan Fraser, Sherry Resek, Diane
Key Curriculum /1997-12-31 Paperback / 229 Pages
isbn-10: 1559532548 / isbn-13: 9781559532549