books by author
Trappe
![](https://m.media-amazon.com/images/I/71g5peqtghL._SL500_.jpg)
Intelligent Business Intermediate Course Book
![](https://m.media-amazon.com/images/I/41rqpnv0AJL._SL500_.jpg)
Intelligent Business Upper Intermediate Course Book
![](https://m.media-amazon.com/images/I/414QpCXw+UL.jpg)
Intelligent Business Intermediate Coursebook/CD Pack: Industrial Ecology
![](https://m.media-amazon.com/images/I/41RSDH6Y3WL._SL500_.jpg)
Students' Book (INBU)
![](https://m.media-amazon.com/images/I/51bRAV+JJEL._SL500_.jpg)
Insights into Business (Nelson Business English S.)
![](https://m.media-amazon.com/images/I/41kUeRqoNXL._SL500_.jpg)
Intelligent Business Upper Intermediate Coursebook/CD Pack: Industrial Ecology
![](https://m.media-amazon.com/images/I/41kUeRqoNXL._SL500_.jpg)