E. Alvarez · J A · J. Alvarez · José E. Alvarez · Jose Enrique Campillo Alvarez · Jr. Everett Alvarez
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Beast Wars Transformers: The Unofficial Guide with Price Guide | 978-0-7643-1512-1 | 2002 |
| The Unofficial Guide to Japanese and International Transformers | 978-0-7643-1282-3 | 2001 |
| Transformers Collectibles: Unofficial Guide | 978-0-7643-1952-5 | 2003 |
| Unofficial Guide: Transformers | 978-0-7643-1364-6 | 2001 |