Deal of the Day
Use code dotd012019 at checkout before this deal expires at midnight, Eastern time.

The Well-Grounded Rubyist, Third Edition is the perfect tutorial for new and experienced Rubyists looking to get more from the language. This fully-revised bestseller covers Ruby 2.5 from the unique perspective of expert Ruby developers and teachers David A. Black and Joe Leo!

Use this same code to get half off Rust in Action and The Design of Everyday APIs.