Book excerpt: This book presents supplementary learning experiences which focus on basic geographical concepts and skills. The activities provide practical learning projects, stimulate critical responses, and enhance the understanding of the geography of the United States. Each of the twelve teaching units in the book is introduced by a full-color transparency (print books) or PowerPoint slide (eBooks) that emphasizes the basic concept of the unit. Student activity pages provide reinforcement and follow-up activities. The teaching guide offers student activity objectives, the teaching focus, suggestions for enrichment projects, and a complete answer key.