Young Readers Adaptation

Humans live longer now than they ever have in their more than three hundred thousand years of existence on earth. And most (if not all) of the advances that have permitted the human lifespan to double have happened in living memory. Extra Life looks at vaccines, seat belts, pesticides, and more, and how each of our scientific advancements have prolonged human life.

The American Revolution is well under way in 1776, but things are looking bleak for General George Washington and his Continental Army. With Washington's hasty retreat from New York City in August, many think the war might soon be over. After all: how on Earth is this ragtag group going to defeat its enemy, the well-trained and well-funded military of the largest empire in history? But Washington soon realizes he can't win with military might. Instead, he must outsmart the British, so he creates a sophisticated intelligence network: the top-secret Culper Spy Ring.

When Thomas Jefferson became president in 1801, America was deeply in debt and needed its economy to grow quickly, but its merchant ships were under attack. Pirates from North Africa routinely captured American sailors and held them as captives demanding ransom and tribute far beyond what the new country could afford.