I took a mandarin class when I was young and struggled. Then...today...this book helped me a lot. Easier than what my teacher taught me. I would recommend this book to anyone who is interested in learning/writing Mandarin.
There's two types of Chinese: Cantonese and Mandarin.
I only know Cantonese and seems like not much people speak it nowadays.
So I must learn Mandarin to fit in to current Asian culture.