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Ruby: David A. Black - The Well-Grounded Rubyist - http://www.amazon.com/Well-Grounded-Rubyist-David-Black/dp/1617291692/ http://www.amazon.com/Well-Grounded-Ru

by kruk 11y ago

Ruby: David A. Black - The Well-Grounded Rubyist - http://www.amazon.com/Well-Grounded-Rubyist-David-Black/dp/1617291692/ http://www.amazon.com/Well-Grounded-Rubyist-David-Black/dp/1... Great both for people new to the language and those looking to strengthen their foundations.