| title | media type | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|---|
| When I'm Sleepy | School & Library Binding | 978-0-613-31909-6 (0-613-31909-5) | 2001 |
| When I'm Sleepy | Paperback | 978-0-14-056759-5 (0-14-056759-3) | 2000 |
J. H. · J. Howard · J.R. · Jane Howard · R. Howard