It takes the average reader to read Smithsonian One Thousand Inventions and Discoveries by Roger Bridgman
Assuming a reading speed of 250 words per minute. Learn more
Summarizes one thousand notable inventions and discoveries of ancient and modern times, from 3,000,000 B.C. to the beginning of the twenty-first century A.D.
Smithsonian One Thousand Inventions and Discoveries by Roger Bridgman is 0 pages long, and a total of 0 words.
This makes it 0% the length of the average book. It also has 0% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes to read Smithsonian One Thousand Inventions and Discoveries aloud.
Smithsonian One Thousand Inventions and Discoveries is suitable for students ages 2 and up.
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