Practical Object-Oriented Design in Ruby: An Agile Primer ( - VERY GOOD

Practical Object-Oriented Design in Ruby: An Agile Primer (2nd Edition) - GOOD

Practical Object-Oriented Design: An Agile Primer Using Ruby by Sandi Metz: Used

Practical Object-Oriented Design in Ruby: An Agile Primer (2nd Edition) - GOOD

Practical Object-Oriented Design: An Agile Primer Using Ruby

Practical Object-Oriented Design Sandi Metz Pearson second edition PB 2019