Here’s a list of wonderful craft of writing books that are MUST HAVES for a writer’s library – whether on a shelf or on an e-reader.
Dwight Swain, Techniques of the Selling Writer
Christopher Vogler, The Writer’s Journey: Mythic Structure For Writers
James Scott Bell, The Art of War for Writers, Plot & Structure, Revision & Self-Editing
Michael Hauge, Writing Screenplays that Sell
Michael A. Arnzen and Heidi Ruby Miller, Many Genres, One Craft
When it comes to plotting, this is the best “Story Arc” diagram any writer can follow.
Source: http://embiddulph.wordpress.com/tag/story-arc/

Awesome! I’m always trying to better myself as a writer.
Glad to help!