History teachers and school library media specialists will find this guide a valuable resource for creating technologically advanced, resource-based instructional units in American and World History in grades 7-12. It is filled with 150 recommended primary source Internet sites about history ranging from ancient civilizations to 1998 and is stocked with exciting, interesting, and challenging questions designed to stimulate students' critical thinking skills. Dr. Craver, who maintains an award-winning interactive Internet database and conducts technology workshops for school library media specialists, provides an indispensable tool to enable students to make the best use of the Internet for the study of history. Each site is accompanied by a summary that describes its contents and usefulness to history teachers and school library media specialists. The questions that follow are designed specifically to stimulate critical thinking skills. Critical thinking skills are deemed essential for students if they are to succeed academically and economically in the twenty-first century. An annotated appendix of selected primary source databases includes the Internet addresses for 60 additional primary source sites.