| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Alpha Teach Yourself Spanish in 24 Hours | 978-1-59257-288-5 (1-59257-288-X) | 2004 |
| Spanish at Your Fingertips | 978-1-59257-638-8 (1-59257-638-9) | 2007 |
C.M. · D.C. · D. Clark · D. M. · P. C. · P. Clark · P.M. · Ph.D. · PH. D. Clark