text books for sc-top(華語文能力測驗) are hard to get. I think it is very difficult to buy in your country.
You need to go a specialty store. but sometime Those specialty store has not handle the text books for sc-top(華語文能力測驗). There are not many online too. Gereneral books store in Taiwan do not sell them.
So here, I will introduce where you can buy the text books.
They are small book store located at 2F.
it costs you 200 yuan with CD.
IF you come by shida, pls have a look them.