Designed for use by students taking health courses, this guide contains instructions for preparing lectures. Anyone interested in preparing lectures who is competent in data collection, language usage, and outlining will also find this guide informative. Following the instructions provided in this guide, students will be able to perform the necessary steps in preparing a lecture: analyze the lecture situation, write an objective, write an outline, select and evaluate presentation aids, allow for possible time changes, prepare for a question-answer session, and write a summary for distribution. In addition to lecture preparation instruction, the guide also provides information on how to prepare and use presentation aids. Different types of presentation aids are illustrated and discussed in relation to various lecture situations. (RB)