R. C. · Roger A. Clay Jr. · Roger A., Jr. Clay · Roger C.
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Core Text | 978-0-582-30992-0 | 1997 | John Pallister · Olly Phillipson · Ann Bowen |
| Cosmic Bullets: High Energy Particles In Astrophysics | 978-0-7382-0139-9 | 1999 | Paul Davies · Bruce Dawson |
| Cosmic bullets: High energy particles in astrophysics | 978-1-86448-204-1 | 1997 | |
| Longman Geography for GCSE Paper, 2nd. Edition | 978-0-582-44744-8 | 2001 | |
Allen & Unwin · Da Capo Lifelong Books · Longman