From: Ralf Mueller <ralf.mueller@...>
Date: 2012-08-22T16:38:10+09:00
Subject: Re: A Ruby Book (free to use)

On 08/22/2012 08:10 AM, Karthikeyan A k wrote:
> Hello people, I have written a book on Ruby programming language.
> Download it from here http://is.gd/r2012
>
Thanks for sharing your work and esp. for the lovely "Math Discovery" at p. 162

regards
ralf