Computer Science Programming Basics in Ruby: Exploring Concepts and Curriculum with Ruby

Learning Rails 3: Rails from the Outside In

Selenium Design Patterns and Best Practices

Metasploit, 2nd Edition

Practical Ruby 3 Programming: Simpler than Python, offering concise syntax, reusable code, and maximum developer productivity

Learning Chef: A Guide to Configuration Management and Automation

Mastering Elixir: Build and scale concurrent, distributed, and fault-tolerant applications

Learning Rails 5: Rails from the Outside In

Rake Task Management Essentials

Test-Driven Infrastructure with Chef: Bring Behavior-Driven Development to Infrastructure as Code, Edition 2

Sinatra: Up and Running: Ruby for the Web, Simply

Continuous Delivery for Mobile with fastlane: Automating mobile application development and deployment for iOS and Android

Shopify Application Development

Instant RubyMine

Extending Puppet

Elixir Cookbook

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

97 Things Every Programmer Should Know: Collective Wisdom from the Experts

JavaScript Patterns: Build Better Applications with Coding and Design Patterns

JavaScript Pocket Reference: Activate Your Web Pages, Edition 3