| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Lucy in the City: A Story About Developing Spatial Thinking Skills | Hardcover | 978-1-4338-1927-8 (1-4338-1927-9) | 2015 |
| Lucy in the City: A Story About Developing Spatial Thinking Skills | Paperback | 978-1-4338-1928-5 (1-4338-1928-7) | 2015 |