Add Ruby User's Guide

11 years ago · 8df41f416a
parent cc1b699fcd
commit 8df41f416a
1 changed files with 1 additions and 0 deletions
--- a/free-programming-books.md
+++ b/free-programming-books.md
@ -887,6 +887,7 @@ See also [TeX](#tex)
 * [Ruby Learning](http://rubylearning.com/)
 * [Try Ruby](http://tryruby.org/)
 * [Ruby Koans](http://www.rubykoans.com/)
+* [Ruby User's Guide](http://www.rubyist.net/~slagell/ruby/)


 ###Ruby on Rails