I liked this book alot. It gives a clear overview over standard data structures, search algorithms, compression/encryption and some geometry algos. One thing i especially liked is that all chapters are divided in the same way. This makes the book easy to use as a reference. I'm only just starting out programming, and for me the difficulty of this book was perfect, the concepts are very general and doesn't go into too much detail. A great intro to algorithms. Cheap too:)