✔ 最佳答案
I have been learning Spanish on my owe for about 3 years. I bought the self-learning set called "Take Off in Spanish" - Oxford University Press. I find it a very useful set of books with CDs. It is designed for independent study. Also,
www.studyspanish.com is a good website to visit.
There are some Spanish grammar books in the book shops. Go and have a look and you might find some of them which are quite useful~
I hope this can help you.
Buenas suertes!