| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Billion Bootstraps: Microcredit, Barefoot Banking, and The Business Solution for Ending Poverty | 978-0-07-148997-3 (0-07-148997-5) | 2007 | Philip Smith |
| Thrive in Retirement: Simple Secrets for Being Happy for the Rest of Your Life | 978-0-7352-9182-9 (0-7352-9182-9) | 2019 | |