About 100 pages. Assistant electric business teacher tutorial materials：

1、computer and internet basic knowledge

2、Electric business basic knowledge

3、Internet market sales basic knowledge

4、Logsitic basic knowledge

5、Electric business safety basic knowledge

6、Electric business law basic knowledge

This book not only follow your textbook to study, also could be studied as independent book. Really that is your good teacher and yes friends，better to drive the electric business and form set.