| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2001 | 978-0-9707099-0-5 | Robert Liljenwall · James Maskulka | Marketing's Powerful Weapon: Point-Of-Purchase Advertising |
| 2004 | 978-0-9707099-1-2 | Robert Liljenwall | The Power of Point-of-Purchase Advertising: Marketing At Retail |
| 2008 | 978-0-9707099-2-9 | '' | The Power of Marketing at-Retail |