| 1.
|  | How Computers Work, 9th Edition |
| 2.
|   | How Computers Work (Adobe Reader), 9th Edition |
| 3.
|   | How Digital Photography Works, Adobe Reader, 2nd Edition |
| 4.
|   | How Microsoft Windows Vista Works, Adobe Reader |
| 5.
|  | How the Internet Works, 8th Edition |
| 6.
|  | How Personal & Internet Security Works |
| 7.
|   | How Personal & Internet Security Works, Adobe Reader |
| 8.
|  | How Networks Work, 7th Edition |