| title | ISBN-13 (ISBN-10)  | year of publication | 
|---|---|---|
| The Aquatic Birds Coloring Book | 978-0-06-300972-1 (0-06-300972-2)  | 2020 | 
| The Human Evolution Coloring Book, 2e | 978-0-06-273717-5 (0-06-273717-1)  | 2001 | 
| The Physics Coloring Book | 978-0-06-273719-9 (0-06-273719-8)  | 2001 |