Note: This book discusses Trailblazer 1.x. We provide free guides for TRB2 on the website, but the general idea of this book still applies. A new beginner's book is on the way! Trailblazer is a thin layer on top of Rails and brings a high-level application architecture, decent encapsulation and a new code structure. Here are the main features. Logicless models solely focusing on persistence.Skinny