The document provides guidance on writing research articles and textbooks in English language teaching, English for academic purposes, and English for specific purposes. It discusses key differences between authors and readers, as well as their priorities. For research articles, it outlines important elements like style, structure, components, submission process, and journal selection criteria. It also provides recommendations for textbook writing, such as ensuring materials are engaging, approachable, interactive, and accommodate different learner styles and cultural contexts. The overall document offers comprehensive advice on effective academic writing for various contexts in English language education.