100 Turning Points in American History is the first in a series of books about the critical decisions, events, inventions, and discoveries that shaped our nation, our world, and our civilization.

Each volume presents the stories of 100 decisions/events/ breakthroughs in chronological order and includes, as a special feature, a list of the "Top Ten" ranked in order of impact, with a discussion justifying the ranking. Each decision/event/breakthrough includes sidebar features ("boxes") highlighting relevant key personalities. Each volume is illustrated with (public domain) photos, images and maps.