| title | ISBN-13 (ISBN-10)  | year of publication | 
|---|---|---|
| The Successful Manager's Guide to Selling Through Proactive Customer Service: How to Reduce Inside Sales Costs and Keep Customers Buying Forever | 978-1-881081-16-6 (1-881081-16-8)  | 2002 | 
| The Successful Sales Manager's Guide to Business-to-Business Telephone Sales | 978-1-881081-09-8 (1-881081-09-5)  | 1999 |