Bloomsbury USA Childrens · HarperCollins
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Does a Sea Cow Say Moo? | Library Binding | 978-1-59990-278-4 | 2008 |
| Porcupine's Pajama Party | Paperback | 978-0-06-444140-7 | 1990 |
| Porcupine's Pajama Party | Hardcover | 978-0-06-022248-2 | 1988 |
| Porcupine's Pajama Party | Library Binding | 978-0-06-022249-9 | 1988 |
T.H. · T W · T. Webb · Terry Webb · W H