| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Directed Rdg Wkshts HS&T 2004 Life | 978-0-03-036992-6 (0-03-036992-4) | 1999 |
| Holt Earth Science California Edition | 978-0-03-055667-8 (0-03-055667-8) | 2001 |
H.A. · H.S. · H.T. · Holt S · Holt Science · HOLT SCIENCE TECHNOLOGY · s. a. · S. T.