Update README.md

Author: Nathan J. Allerton

README.md

@@ -5,6 +5,8 @@ This is the only assignment that I had from a USB drive. :(
 
 Algorithm Analysis was one of the most important classes in university, in addition to Data Structures. There are so many resources online to learn this vast space. Every programmer should know their data structures and algorithms well.
 
-My favorite book is called [The Algorithm Design Manual by Steven S. Skiena](https://www.amazon.com/Algorithm-Design-Manual-Steven-Skiena/dp/1849967202)
+My favorite book is called [Algorithms by Robert Sedgewick and Kevin Wayne ](https://www.amazon.com/Algorithms-4th-Robert-Sedgewick/dp/032157351X/ref=pd_sbs_14_2/132-6581637-5184655?_encoding=UTF8&pd_rd_i=032157351X&pd_rd_r=0733dee1-d965-421b-98a5-26b25eda7e2f&pd_rd_w=lebOY&pd_rd_wg=6Mw8A&pf_rd_p=d66372fe-68a6-48a3-90ec-41d7f64212be&pf_rd_r=AJ8XTTT9SB0NQBY5V1GX&psc=1&refRID=AJ8XTTT9SB0NQBY5V1GX)
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+Another good book I used in university was [Introduction to Algorithms by Thomas H. Cormen, Charles E. Leiserson , Ronald L. Rivest , and Clifford Stein](https://www.amazon.com/Introduction-Algorithms-3rd-MIT-Press/dp/0262033844)
 
 It is public so future students can use it to understand assignments they may have trouble on, but please do not use it to cheat.