ISBN 0380780488 books & textbook
A Hippopotamus Ate the Teacher
HarperCollins /1981-09-01 Paperback / 32 Pages
isbn-10: 0380780488 / isbn-13: 9780380780488
HarperCollins /1981-09-01 Paperback / 32 Pages
isbn-10: 0380780488 / isbn-13: 9780380780488