This instructor's guide is designed for use with an accompanying 10-book series containing core instructional materials that deal with subject matter needed by apprentices during the first or second years of apprenticeship-related subjects training. Discussed first are the nature and organization of apprenticeship programs in general. The content and importance of related-subjects instruction are outlined. Examined in the next section is the role of instructors in addressing the following needs of adult learners: the need to be comfortable with a learning situation; the need for ownership of information and skills; and the need for explicit, concrete information. The final two sections consist of brief descriptions of both the core curriculum materials provided in the booklets as well as additional resources for use in related subjects instructional programs. (MN)