| title | ISBN-13 | year of publication |
|---|---|---|
| Introduction to the Humanities: An Outline Guide | 978-1-4652-2113-1 | 2013 |
| Introduction to the Humanities: An Outline Guide | 978-0-7575-7706-2 | 2012 |
| Music Appreciation: An Outline Guide | 978-1-4652-7641-4 | 2015 |
| Music Appreciation: An Outline Guide | 978-0-7575-8497-8 | 2010 |