J. Y · J. Young · June Young Choi · June-Young Gwak
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Energy Is Everywhere | Paperback | 978-0-516-28003-5 (0-516-28003-1) | 2006 |
| Look How It Changes! | Library Binding | 978-0-516-25901-7 (0-516-25901-6) | 2006 |
| Look How It Changes! | Paperback | 978-0-516-28178-0 (0-516-28178-X) | 2006 |