How to think like a computer scientist

This is a series of books for different programing languages including C++, python and Java. It is a very good series that focuses on how the programmer should think including using different data structures and developing methods. the series' books could be found at:
C++: http://ibiblio.org/obp/thinkCS/cpp/english/dist/thinkCScpp.html.tgz
Python: http://ibiblio.org/obp/thinkCS/python/english2e.tgz
Java: http://ibiblio.org/obp/thinkCS/java/english/dist_v4.0/thinkapjava.pdf