This comprehensive, the latest research-based and the most advanced book on "The Module for Rectification Taxonomy" is really a practical aid in providing the most needed guidance to the English Language Teachers, Trainers, Course Designers and Policy Makers all over the world, for their better professional performance in the followings: 1. Module Development, 2. Speedy & Convenient, Independent, Self-sufficient and Self-contained Effectual Learning, Teaching and Training Through the Modular System of Instruction, 3. Acquisition and Development of Systematic Knowledge and Practical Skills for The Productive & Effective Rectification of Errors in Written Drafts of the English Language Learners at All Levels, 4. Improvement of Practical Knowledge and Skills, in a balanced proportion, about The Most Advanced Approaches, Methods and Techniques of The Scientific Systems of Error Analysis and Error Rectification, 5. Self-study as well as Self-repair for Both of The English Language Teachers and Learners with The Results of Better Confidence, and Motivated, Facilitated & Accelerated Excellent Learning Process, 6. Practical Benefits of Adopting Quasi-Experimental Research Design.