recommended books for coopering?

[Chris Friesen]

I have a friend who's interested in trying to make some small white oak casks for aging homemade whiskey.

Does anyone have any suggested references on the topic?

[Dewey Torres]

http://www.amazon.com/s/ref=nb_ss_hi?url=search-alias%3Daps&field-keywords=coopering&x=14&y=22