| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Shape of Ideas 2018 Wall Calendar: A Year of Thinking Outside the Box | 978-1-4197-2456-5 (1-4197-2456-8) | 2017 |
| The Shape of Ideas: An Illustrated Exploration of Creativity | 978-1-4197-2317-9 (1-4197-2317-0) | 2017 |