Books Books And More Books.....

[LeoBen207]

Hello, I was wondering what Music Theory Books you guys have/recommend/hate etc... I am looking for the most complete, in-depth, detailed music theory book(s) that are out there.

I find that the simple level 1 stuff books are easy to find but it gets difficult after that to complete the series; Or to find books that are advanced.  I'm looking to expand my music library. I would like to get more classical style books. Even college or conservatory books that you guys recommend would be awesome. This is what I have thus far:

Contemporary Music Theory Level 1, 2 and 3
Contemporary Ear Training Level 1 and 2
Pop Piano Book
All by Mark Harrison

Jazz theory book (Levine)
Various latin books
Others..

and the favorite one I have but not detailed is:
Music Theory Resource Book by Harrold Owen (50 bucks in Barnes and Nobles!!!...lol)
Anybody familiar with this book? Do you know what book would go great with this one?

I would really like to know what you guys have in your personal libraries.. which books have been invaluable to you?

Thank you for taking the time to answer, your input is greatly appreciated.