Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Clear, Well-Written, Fast-Track to JavaScript Proficiency

Mr. Disbrow has put together a lucid and thorough fast-track program for attaining JavaScript proficiency in a remarkably short time. The examples are relevant and easy to follow, the lessons are well organized and logical, and the writing is crisp and accessible. A great addition to any developer's bookshelf!