If you're learning Ruby, there is a free copy of my book available (CC BY 4.0 license): https://leanpub.com/rubyisforfun/ https://leanpub.com/rubyisforfun/ - E

If you're learning Ruby, there is a free copy of my book available (CC BY 4.0 license): https://leanpub.com/rubyisforfun/ https://leanpub.com/rubyisforfun/ - English https://leanpub.com/rubyisforfun_ru/ https://leanpub.com/rubyisforfun_ru/ - По-русски (if you found typos, you can update the manuscipt https://github.com/ro31337/rubyisforfun https://github.com/ro31337/rubyisforfun)