| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| The Procrastination Equation: How to Stop Putting Things Off and Start Getting Stuff Done | Paperback | 978-0-06-170362-1 (0-06-170362-1) | 2012 |
| The Procrastination Equation: How to Stop Putting Things Off and Start Getting Stuff Done | Hardcover | 978-0-06-170361-4 (0-06-170361-3) | 2010 |