| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The adventures of Chester the chest | Unbound | 978-0-06-020304-7 | 1982 | |
| The Adventures of Chester the Chest | Hardcover | 978-0-06-020306-1 | 1982 | Naomi Low Nakao |
| Ugbu | " | 978-0-06-020307-8 | 1979 | |
| Ugbu | Library Binding | 978-0-06-020308-5 | 1979 | |