G S · G Simon · Gary A. Simon · Gary Ian Simon
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | 
|---|---|---|---|
| Budgeting, Planning and Forecasting to the MAX | 978-0-9555900-2-3 (0-9555900-2-7) | 2008 | Steve Bows | 
| How to Use Microsoft Office Accounting to the Max | 978-0-9555900-1-6 (0-9555900-1-9) | 2008 | |