| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1999 | 978-0-9674758-0-6 | Dan Holtzclaw | Penny Stocks: The Next American Gold Rush |
| 2007 | 978-0-9674758-2-0 | '' | The Little Black Book of Microcap Investing: Beat the Market with NASDAQ/AMEX Microcap Stocks, OTCBB Penny Stocks, and Pink Sheet Stocks |