On 04/22/2015 04:31 AM, Bart Schaefer wrote:
> Here are a couple of books that may be helpful.
> 
> http://shop.oreilly.com/product/9781593273897.do
> http://shop.oreilly.com/product/0636920025870.do

In case you can read German, there is a pretty good zsh specific
opensourcepress book available:

http://www.opensourcepress.de/de/produkte/Zsh/432/978-3-941841-32-1