On Mon, Jan 31, 2011 at 12:18 PM, Aston J. <azzzz / gmx.net> wrote:
> I know there are a lot of threads about books, but some of them are as
> old as 2006 - and I think it would be nice to get a more up to date list
> of hot Ruby books, especially for anyone interested in learning the
> latest version of Ruby, 1.9 (it's still ok to recommend older books if
> you feel they are still relevant).

I'd recommend "Using JRuby" from PragProg, which just recently went to press :)

- Charlie