MGMT – Time To Pretend

How do you learn music theory?
What I am looking for is a textbook to learn music theory but doesn't assume you don't know how to read music. I can read music but just want more information about chord structures and more advanced items than learning how to read music. Any ideas of a good textbook?

MGMT Time To Pretend (c) (c) 2008 SONY BMG MUSIC ENTERTAINMENT … MGMT Time To Pretend Alternative Music Video