Joe Leo

Joseph Leo III is a Ruby teacher, mentor, and community advocate. He is the lead organizer of the Gotham Ruby Conference (GoRuCo) and founder of Def Method.

books by Joe Leo

The Well-Grounded Rubyist, Third Edition

  • March 2019
  • ISBN 9781617295218
  • 584 pages
  • printed in black & white

In The Well-Grounded Rubyist, Third Edition expert authors David A. Black and Joseph Leo deliver Ruby mastery in an easy-to-read, casual style. You'll lock in core principles as you write your first Ruby programs. Then, you'll progressively build up to topics like reflection, threading, and recursion, cementing your knowledge with high-value exercises to practice your skills along the way.