Layered Design for Ruby on Rails Ap..., Dementyev, Vlad

A Framework for Understanding Poverty - Paperback, by Ruby K. Payne; - Very Good

Database Design for Mere Mortals: A Hands-On Guide to Relational Dat - VERY GOOD

The Book of Ruby: A Hands-On Guide for the Adventurous - Paperback - VERY GOOD

A Framework for Understanding Poverty (4th Ed.) by Ruby K. Payne – Very Good

Ruby on Rails Tutorial: Learn Web Development with Rails (4th Editio - VERY GOOD

Mosdos Press Literature, Ruby, Student Textbook, Grade 4

Design Patterns in Ruby - Hardcover By Olsen, Russ - VERY GOOD