delete a duplicated book

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n19270 2014-08-29 18:24:39 +08:00
parent e98470a623
commit 8481728def

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@ -1561,7 +1561,6 @@ See also [TeX](#tex)
* [Ruby Learning](http://rubylearning.com/)
* [Ruby Programming](http://www.linuxtopia.org/online_books/programming_books/ruby_tutorial/)
* [Ruby User's Guide](http://www.rubyist.net/~slagell/ruby/)
* [Ruby User's Guide](http://www.linuxtopia.org/online_books/programming_books/ruby_guide/)
* [The Bastards Book of Ruby](http://ruby.bastardsbook.com/)
* [The Little Book Of Ruby](http://www.sapphiresteel.com/The-Little-Book-Of-Ruby)
* [The Unofficial Ruby Usage Guide (at Google)](http://www.caliban.org/ruby/rubyguide.shtml) - Ian Macdonald