| title | ISBN-13 | year of publication |
|---|---|---|
| ESL Workbook | 978-0-13-917840-5 | 1998 |
| Focus: From Paragraph to Essay | 978-0-13-309709-2 | 1996 |
| Focus: Writing Paragraphs and Essays | 978-0-13-896465-8 | 1998 |
| Focus: Writing Sentences and Paragraphs | 978-0-13-901141-2 | 1999 |
E C. · E. Campbell · M.C. · M. Campbell · M.E · M.E.C. · Martha Campbell · Martha E.