News Read my latest blog post: What Does OO Afford? Get a behind-the-scenes look at the 2nd edition of 99 Bottles on The Rabbit Hole podcast. Announcing: 99 Bottles of OOP 2nd Edition, coming in 2020. The 2nd edition contains 50% more content and comes in Ruby and Javascript variants (PHP scheduled for early 2020). Buy now and you'll get upgraded to the 2nd edition for free!