added books;

books.md

@@ -13,10 +13,27 @@ The following is a list of free, open source books on machine learning, statisti
 * [Mining Massive Datasets](http://infolab.stanford.edu/~ullman/mmds/book.pdf)
 * [A First Encounter with Machine Learning](https://www.ics.uci.edu/~welling/teaching/273ASpring10/IntroMLBook.pdf)
 * [Pattern Recognition and Machine Learning](http://www.hua.edu.vn/khoa/fita/wp-content/uploads/2013/08/Pattern-Recognition-and-Machine-Learning-Christophe-M-Bishop.pdf)
+* [Machine Learning & Bayesian Reasoning](http://web4.cs.ucl.ac.uk/staff/D.Barber/textbook/090310.pdf)
+* [Introduction to Machine Learning](http://alex.smola.org/drafts/thebook.pdf)
+* [A Probabilistic Theory of Pattern Recognition](http://www.szit.bme.hu/~gyorfi/pbook.pdf)
+* [Introduction to Information Retrieval](http://nlp.stanford.edu/IR-book/pdf/irbookprint.pdf)
+* [Forecasting: principles and practice](http://otexts.com/fpp/)
 
 ## Probability & Statistics
 
 * [Thinking Stats](http://www.greenteapress.com/thinkstats/) - Book + Python Code
 * [From Algorithms to Z-Scores](http://heather.cs.ucdavis.edu/probstatbook) - Book
 * [The Art of R Programming](http://heather.cs.ucdavis.edu/~matloff/132/NSPpart.pdf) - Book (Not Finished)
+* [All of Statistics](http://www.ucl.ac.uk/~rmjbale/Stat/wasserman2.pdf)
+* [Introduction to statistical thought](https://www.math.umass.edu/~lavine/Book/book.pdf)
+* [Basic Probability Theory](http://www.math.uiuc.edu/~r-ash/BPT/BPT.pdf)
+* [Introduction to probability](http://math.dartmouth.edu/~prob/prob/prob.pdf)
+* [Principle of Uncertainty](http://uncertainty.stat.cmu.edu/wp-content/uploads/2011/05/principles-of-uncertainty.pdf)
 
+## Linear Algebra
+
+* [Linear Algebra Done Wrong](http://www.math.brown.edu/~treil/papers/LADW/LADW.pdf)
+* [Linear Algebra, Theory, and Applications](https://math.byu.edu/~klkuttle/Linearalgebra.pdf)
+* [Convex Optimization](http://www.stanford.edu/~boyd/cvxbook/bv_cvxbook.pdf)
+* [Applied Numerical Computing](http://www.seas.ucla.edu/~vandenbe/103/reader.pdf)
+* [Applied Numerical Linear Algebra](http://uqu.edu.sa/files2/tiny_mce/plugins/filemanager/files/4281667/hamdy/hamdy1/cgfvnv/hamdy2/h1/h2/h3/h4/h5/h6/Applied%20Numerical%20Linear%20.pdf)