Ruby Programming Language

Pragmatic Bookshelf

Programming Ruby 3.3: The Pragmatic Programmers Guide

O'Reilly Media

The Ruby Programming Language: Everything You Need to Know

CompreQuest Books

Ruby Programming: Dynamic, Object-Oriented Language for Simplicity and Productivity (Mastering Programming Languages Series) (English Edition)

Ruby Programming Language: A Concise Manual For Quickly Learning Ruby (English Edition)

Cheat Sheet for Ruby Programming Language: Written by Navis Michael Bearly J (English Edition)

Ruby Programming Language Manual: An Essential Guide To Learning Ruby (English Edition)

Ruby Programming Language Crash Course eBook & Book

Ruby Coding. From Zero to Hero in 8 Hours : Learn Ruby Programming in Easy Way (Cookbooks in 8 Hours Book 22) (English Edition)

Ruby For Beginners: Your Guide To Easily Learn Ruby Programming in 7 days (Programming Languages Book 9) (English Edition)

RUBY: PROGRAMMING ESSENTIALS (Bonus Content Included): Code and design web applications with today's hottest development language NOW! (Web App, App Design, App Development) (English Edition)

Independently published

Ruby Book: Ruby Language for Algorithmic Scripting