JavaScript: The Good Parts is definitely a good book for what you want. But there are more:

* JavaScript Patterns by Stoyan Stefanov

* Learning JavaScript Design Patterns - Addy Osmani

* High Performance JavaScript - Nicholas Zakas

After you read these three books you might become apt to write great, efficient JS code and know the underpinnings of the language, which IMO has a particularly curious design and might make you confused sometimes.

P.S: Check out the WTFJS website for being introduced to some strange behaviour of the language http://wtfjs.com/

Have a nice and busy week!