Alan Sklar ยท s. a.
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect | Audio CD | 978-1-4001-1312-5 (1-4001-1312-1) | 2009 |
| In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect | MP3 CD | 978-1-4001-6312-0 (1-4001-6312-9) | 2009 |