Simon & Schuster · Simon & Schuster Audio
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| I Know I Am, But What Are You? | Paperback | 978-1-4391-4274-5 | 2011 |
| I Know I Am, But What Are You? | Audio CD | 978-0-7435-9988-7 | 2010 |
| I Know I Am, But What Are You? | Hardcover | 978-1-4391-4273-8 | 2010 |
| I Know What I Am, But What Are You? | " | 978-1-4391-9695-3 | 2010 |