You could try Think Python: How to Think Like a Computer Scientist by Allen B. Downey. http://www.greenteapress.com/thinkpython/thinkpython.html http://www.gre

You could try Think Python: How to Think Like a Computer Scientist by Allen B. Downey. http://www.greenteapress.com/thinkpython/thinkpython.html http://www.greenteapress.com/thinkpython/thinkpython.html It is due to be published by Cambridge University Press under the title Python for Software Design. The link above is for the same content, available for free.