| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| Click CD: What Millions of People Are Doing Online and Why it Matters | Audio CD | 978-1-4013-9030-3 | 2008 |
| Click: What Millions of People Are Doing Online and Why it Matters | Hardcover | 978-1-4013-2304-2 | 2008 |
| Click: What We Do Online and Why it Matters | Paperback | 978-0-00-727783-4 | 2009 |
| Click: What We Do Online and Why it Matters | Taschenbuch | 978-0-00-728121-3 | 2009 |