| title | ISBN-13 | year of publication |
|---|---|---|
| Adios Oscar! A Butterfly Fable | 978-0-545-07159-8 | 2009 |
| ¡Adiós, Oscar!: Una fábula de mariposas: (Spanish language edition of Adios, Oscar!) | 978-0-545-09344-6 | 2009 |
| King of the Pipers | 978-0-02-733460-9 | 1984 |
| Oscar the Almost Butterfly | 978-0-545-25842-5 | 2009 |