The "Education for American Indians" series consists of: (1) An Expository Essay; (2) A Book of Readings; (3) A Student Workbook; (4) Teacher's Edition of Student Workbook; and (5) Summary Report. This publication is a unit for secondary level students on the effects of guided inquiry and expository materials on cognitive learning, retention, and transfer in a social studies unit. It also demonstrates how secondary social studies may be selected and written to teach new knowledge and ideas, and used to try different ways of teaching and learning. (FF)