I have read both the old and new editions of Rosten's The Joys of Yiddish and I love them! I wanted to add the wonderful definition of chutzpah that is in there:

The classic definition of chutzpa is, of course, this:
Chutzpa is that quality enshrined in a man who, having killed his mother and father, throws himself on the mercy of the court because he is an orphan.