This black-and-white supplemental workbook contains biographical sketches of inventors, scientists, artists, and authors who have made major contributions in American history. The sketches are organized chronological, which makes it easy to incorporate them into any formal curriculum or unit study approach. Each lesson features a one-page biography, timeline visual, questions for independent research, suggested websites, and a page of comprehension questions. The answers are included in the back of the book. The pages are perforated for easy removal. While the publisher says the workbook is designed for middle and upper grades, the information is more appropriate for grades 5-8.