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 ## Data Structures and Algorithms
 - *Data Structures and Algorithms in Python* by Michael T. Goodrich & Roberto Tamassia & Michael H. Goldwasser [English Edition](https://www.amazon.com/Structures-Algorithms-Goodrich-Goldwasser-Hardcover/dp/B011DC80VY/)
-- *Problem Solving with Algorithms and Data Structures Using Python* by Bradley N. Miller & David L. Ranum [English Edition](https://www.amazon.com/Problem-Solving-Algorithms-Structures-Python/dp/1590282574)
+- *Problem Solving with Algorithms and Data Structures Using Python* by Bradley N. Miller & David L. Ranum [English 2nd Edition](https://www.amazon.com/Problem-Solving-Algorithms-Structures-Python/dp/1590282574)
 - *Python Algorithms: Mastering Basic Algorithms in the Python Language* by Magnus Lie Hetland [English 2nd Edition](http://www.amazon.com/Python-Algorithms-Mastering-Basic-Language/dp/148420056X)
 
 ## Complexity Science