ISBN 0924886226 books & textbook
Only One Ocean: Marine Science Activities for Grades 5-8 (Teacher's Guide)
Halversen, Catherine Strang, Craig Hosoume, Kimi Halverson, Catherine
GEMS/Lawrence Hall of Science /2000-03-15 Paperback / 136 Pages
isbn-10: 0924886226 / isbn-13: 9780924886225
