diff --git a/free-programming-books.md b/free-programming-books.md
index d3905b7cc6498abcbc342c15ff57a7ecf2661c85..afffeca64f9ba1d051a1051d4d8a2799a6850175 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -250,6 +250,7 @@ Original Source: [Free Programming books](http://stackoverflow.com/revisions/392
 * [Algorithms and Complexity](http://www.math.upenn.edu/~wilf/AlgoComp.pdf) (PDF)
 * [Algorithms and Data-Structures](http://www.ethoberon.ethz.ch/WirthPubl/AD.pdf) (PDF)
 * [Algorithms Course Materials](http://compgeom.cs.uiuc.edu/~jeffe/teaching/algorithms/) - Jeff Erickson
+* [Analysis and Design of Algorithms](http://www.cse.iitd.ernet.in/~ssen/csl356/admin356.html) - Sandeep Sen, IIT Delhi
 * [Matters Computational: Ideas, Algorithms, Source Code](http://www.jjj.de/fxt/fxtbook.pdf) (PDF)
 * [Binary Trees](http://cslibrary.stanford.edu/110/BinaryTrees.pdf) (PDF)
 * [Clever Algorithms](http://www.cleveralgorithms.com/nature-inspired/index.html)
@@ -621,6 +622,7 @@ Original Source: [Free Programming books](http://stackoverflow.com/revisions/392
 * [Programming Languages: Application and Interpretation (2nd Edition)](http://www.cs.brown.edu/~sk/Publications/Books/ProgLangs/)
 * [Semantics with Applications: A Formal Introduction](http://www.daimi.au.dk/~bra8130/Wiley_book/wiley.html) - Hanne Riis Nielson, Flemming Nielson
 * [Structure and Interpretation of Computer Programs](http://mitpress.mit.edu/sicp/)
+* [Theory of Computation](http://www.cse.iitd.ernet.in/~ssen/csl705/admin705.html) - Sandeep Sen, IIT Delhi
 * [Think Complexity](http://www.greenteapress.com/compmod/) - Allen B. Downey