What’s the Big Idea? Four Centuries of Innovation in Boston

Stephen Krensky, Charlesbridge, 2008, 64 p., $18.95

WHAT’S THE BIG IDEA? FOUR CENTURIES OF INNOVATION IN BOSTON
CTYPE html PUBLIC “-//W3C//DTD HTML 4.0 Transitional//EN” “http://www.w3.org/TR/REC-html40/loose.dtd”> A children’s history of discoveries, from the smallpox vaccine to modern computers.