G. C. · G. Cowan · Glenn C. · Patricia Glenn-Cowan
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Improve Your Reading and Study Skills | 978-0-07-024443-6 (0-07-024443-X) | 1994 |
| Improve Your Reading and Study Skills -Text/Workbook | 978-0-02-802027-3 (0-02-802027-8) | 1995 |