Polished Ruby Programming: Build better software with more intuitive, maintainable, scalable, and high performance code

Advanced Object Oriented Programming: Build Scalable, Maintainable, and Robust Code

Python Design Patterns and Software Architecture.: Scalable, Maintainable, High Performance Code Techniques

Advanced Object Oriented Programming: Build Scalable, Maintainable, and Robust Code

Clean Code Made Simple: Write Better Faster and More Maintainable Software