| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Grammar: a friendly approach | 978-0-335-22008-3 (0-335-22008-8) | 2007 |
| Grammar: A Friendly Approach | 978-0-335-22009-0 (0-335-22009-6) | 2007 |
| Understanding University: A guide to another planet | 978-0-335-21797-7 (0-335-21797-4) | 2006 |
Christian Schmoeckel · Christian Senkel · Christian Smekal · Christina Schwenkel · Christina Shingler · Christina Sinclair · Christine Senecal · Christopher Schnäckel · Christopher Snigula