| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| 50 Secret Codes | 978-0-7460-8912-5 | 2008 | |
| 50 Things to Do on a Plane | 978-0-7460-9988-9 | 2008 | Leonie Pratt |
| Cowboy Things to Make and Do | 978-0-7460-8690-2 | 2008 | |
| Egyptian Things to Make and Do | 978-0-7460-9773-1 | 2009 | |
| Ships | 978-0-7460-9964-3 | 2009 | |