| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Flowers: A Universe Revealed 2008 Calendar | 978-1-56937-924-0 (1-56937-924-6) | 2007 |
C. G. · Christian Gerber · Christian Grobauer · Christian Gropper · Christian Gruber · Christiane Gerber · Christine Gerber · Christine Graber · Christine Gruber · Christoph Gruber