| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Nelson Biology 12: Student Text | 978-0-17-625987-7 (0-17-625987-2) | 2002 | Doug Fraser · Angela Vavitsas · Anu Arora · Beth Lisser |
| Nelson Science 8 | 978-0-17-607497-5 (0-17-607497-X) | 1999 | |
B. Ritter · Bob Ritter... [et al.] · Bob Ryder · Mr. Bob Ritter · Plumb Donald Bob Ritter