About this resource
"Starting in 3,000,000 BC., each chapter covers a distinct historical period, offering tightly constructed chunks of information alongside more in-depth explanations. A timeline along the bottom of each spread fills in details" (Publisher's Weekly).
Metadata & audience
Author / CreatorBridgman, Roger
FormatBook
AudienceGrades 3-5, Grades 6-8
Keywords
Inventions
history of inventions
stories