diff --git a/free-programming-books.md b/free-programming-books.md
index dc90b35f8caa4f543740c4e8ffe50493a28aeece..4ada52235c58e52bdf6fb2f7b548e3b8ae875fb4 100644
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 * [The Boost C++ libraries](http://theboostcpplibraries.com)
 * [The Rook's Guide to C++](http://rooksguide.org/2013/11/26/version-1-0-is-out/) (PDF)
 * [Thinking in C++, Second Edition, Vol. 1.](http://www.mindviewinc.com/downloads/TICPP-2nd-ed-Vol-one.zip) - Bruce Eckel [(Vol. 2)](http://www.mindviewinc.com/downloads/TICPP-2nd-ed-Vol-two.zip) (ZIP)
+* [The Ultimate Question of Programming, Refactoring, and Everything](https://www.gitbook.com/book/alexastva/the-ultimate-question-of-programming-refactoring-/details)
 
 
 ### Chapel