[auslegung]

Javascript: the good parts <http://www.amazon.com/JavaScript-Good-Parts-Douglas-Crockfor....

Eloquent Javascript <http://eloquentjavascript.net>.

These two are a great start.

[grobertson]

And when you're done those, JavaScript Patterns is something you'll refer to often.

http://www.amazon.com/JavaScript-Patterns-Stoyan-Stefanov/dp...

[iends]

These are excellent beginner books.