Grammar

I've started doing some online study of Korean.  I'm sure I'll be able to learn it, but man is the grammar different.  I think I've just found the most convoluted thing so far.  To say, "Yesterday I went to the bookstore to buy a book" the word order is something like, "I(subject) yesterday book(object) buy in order to bookstore to went."  I could probably put it all out of order and still get my meaning across if I included the right tags for stuff, but still...