A book named “Ruby source code Kanzen Kaisetsu – Ruby Hacking Guide”
by Aoki-san is out though it’s written in Japanese…
It’s a must-buy item for Ruby hacker, who can read Japanese. :(
- Publisher: Impress
- Author: AOKI, Minero under the editorship of MATSUMOTO, Yukihiro
- ISBN: 4-8443-1721-0
I tried to translate the table of contents. Bear in mind that it’s an unofficial translation.