Theory and practice book cat. C1/D1 and cat. C/D
Having "Theoriebuch Kat. C1/D1 and Cat. C/D" is an excellent choice.
This reference book contains the basic theoretical and technical knowledge that you need as a driver of minibusses, trucks, trailers, articulated vehicles, or company cars in order to be able to drive them safely. Of course, there is a lot more information that you will need in your daily work. The technical book is also useful as a reference work for the experienced captains of the routes.
CHF 140.00 + CHF 10.00 shipping costs