This handbook is part of a set of instructional materials developed to facilitate the efforts of educators in planning and implementing comprehensive career guidance programs. (See CE 018 130 for the final report of the Georgia Comprehensive Career Guidance Project.) The focus of this handbook is on group leadership and is intended to help prospective group leaders prepare for their staff development activities in career guidance by reviewing some of the basic principles of group dynamics and group procedures. The information is presented under the following topics: definition of group; group atmosphere; leadership; roles within the group; goal formation; cohesiveness; facilitating cohesiveness in an established group; formulating the group; facilitating the general discussion; facilitating group interaction and learning; and summarizing the group activities. This handbook accompanies a series of staff development training manuals for both the elementary (CE 018 139-144) and secondary (CE 018 147, CE 018 150, CE 018 152, CE 018 154, CE 018 157-158, CE 018 161, and CE 018 163) levels. (BM)