This document provides guidance on how to write an effective precis or summary. It defines precis writing as summarizing a passage in a limited number of words while covering all important aspects. The document outlines rules for precis writing, including reading the passage carefully, underlining key ideas, creating an outline, avoiding omissions, using proper tense and person, writing in your own words, drafting rough and final versions. It also lists features of a good precis such as appropriate length, readability, inclusion of all essential points, coherence, and an appropriate title. Dos and don'ts of precis writing are presented.