| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Mind your own business! | 978-0-9624808-0-5 | 1989 | |
| Selling Rules! | 978-0-9624808-4-3 | 2001 | |
| The Complete Idiot's Guide to Winning Customer Loyalty | 978-1-59257-383-7 | 2005 | Neil Raphel · Janis Raye |
| Up the Loyalty Ladder | 978-0-88730-725-6 | 1995 | Neil Raphel el |
| Up the Loyalty Ladder: Turning Sometime Customers into Full-Time Advocates of Your Business | 978-0-88730-786-7 | 1996 | Neil Raphel |
Alpha · Brigantine Media · HarperBusiness