荷兰Leesen Schrijk这个网上课程怎么学怎么用啊

网站是www.leesenschrijf.nl，这个怎么讲的都是荷兰语啊，对于我这种只会英文的怎么用这个课程呢？
这个课程怎么学呢？怎么用呢？
我现在有书在手，两册。

This site is NOT for people who learn Dutch as a foreign language, it's for Dutch people who can't read/write. So it's not really useful for you.