Thought I'd share some books that I've gotten so far - and read - that are worth the bang from your hard-earned dollars! Won't bother to review all here, but you've gotta trust me - they're worth it if you're serious about the biz.
The Reel World: Scoring for Pictures by Jeff Rona (link and image not working....it is on amazon.com)
Inside Film Music: Composers Speak by Christian Jardins
Complete Guide to Film Scoring by Richard Davis
Idiot's Guide to Music Composition