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