@ -151,6 +151,7 @@
* [25 Free Computer Science Ebooks ](http://www.coderholic.com/25-free-computer-science-books/ )
* [atariarchives.org ](http://www.atariarchives.org/ ) atariarchives.org makes books, information, and software for Atari and other classic computers available on the Web.
* [Bitsavers.org ](http://bitsavers.org/ )
* [Bookboon: IT & Programming ](http://bookboon.com/en/it-programming-ebooks )
* [Cheat Sheets (Free) ](http://refcardz.dzone.com/ )
* [Free Smalltalk Books, collected by Stéphane Ducasse ](http://stephane.ducasse.free.fr/FreeBooks.html )
* [Free Tech Books ](http://www.freetechbooks.com/ )
@ -1324,7 +1325,7 @@ See also [TeX](#tex)
* [Programming in Scala, First Edition ](http://www.artima.com/pins1ed/ )
* [Programming Scala ](http://programming-scala.labs.oreilly.com/index.html )
* [Scala By Example ](http://www.scala-lang.org/docu/files/ScalaByExample.pdf ) (PDF)
* [Scala for the Impatient ](http://typesafe.com/resources/book/scala-for-the-impatient ) - Cay S. Horstmann
* [Scala for the Impatient (A1 Scala Level chapters) ](http://typesafe.com/resources/book/scala-for-the-impatient ) - Cay S. Horstmann
* [Scala School by Twitter ](http://twitter.github.io/scala_school/ )
* [The Neophyte's Guide to Scala ](http://danielwestheide.com/scala/neophytes.html ) - Daniel Westheide
* [Xtrace ](http://github.com/leithaus/XTrace/tree/monadic/src/main/book/content/ )