This series presents exciting historical novels that show the diversity and strength of our American culture. Each volume concludes with a short "Historical Postscript" that tells more about the real people depicted in the story, provides valuable background information on the era described, and lists other books on the subject suitable for young readers. Each book is reviewed for accuracy by a historical expert.

Young Will Finch and his father are off on the adventure of a lifetime -- to help the Renaissance Man Charles Willson Peale find the bones of a great mastodon in the damp, unforgiving ground of upstate New York. It's a race against the clock to claim the skeleton of the great beast before a swampy grave closes this chapter in the history of science forever.