Tony Stark's new rocket is about to crash! Can he save it in time and stop Crimson Dynamo's evil plan. Ready-to-Read books offer children a world of possibilities at three different reading levels. Level 1: Starting to Read Simple stories, building vocabulary, basic sentences. Level 2: Reading Independently More-challenging stories, varied sentence structure, paragraphs and short chapters. Level 3: Reading Proficiently Complex stories, rich vocabulary, longer chapters.