Cambridge University Press · Epworth Press
| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| Cambridge IGCSE® and O Level Environmental Management Coursebook | 978-1-316-63485-1 (1-316-63485-X)  | 2017 | Gary Skinner · Ken Crafer · Melissa Turner · Ann Skinner | 
| Groundwork of Theology | 978-0-7162-0289-9 (0-7162-0289-1)  | 1977 | |