This document provides guidance on writing effective sales promotional letters. It discusses that sales letters are an important form of publicity and advertisement for businesses. The document outlines key elements of sales letters such as salutations, compliments, and closings. It also discusses the advantages of sales letters and their objectives in educating, persuading, and convincing customers. The document explains that sales letters should attract attention, arouse interest, educate and convince readers, stimulate desire, and secure action through limited time offers, discounts, and making it easy for the customer to respond.