| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Inbox Zero | Hardcover | 978-0-06-195379-8 | 2016 |
| Inbox Zero | Paperback | 978-0-06-195382-8 | 2011 |
| Unti Mann Book #2 | Hardcover | 978-0-06-195380-4 | 2020 |
| Unti Mann Book #2 | Paperback | 978-0-06-195383-5 | 2011 |
| Unti Mann Book #3 | Hardcover | 978-0-06-195381-1 | 2020 |