How Did They Do That? Caroline Sutton, 1984.
 
The totally satisfying answers to more than 100 questions that drive normal people—not to mention infomaniacs & trivia buffs—crazy.

*How did they decide the length of a mile?
*How did Beethoven compose when he was deaf?
*How did they discover the Hope diamond?
*How did they know the size of the Earth over 1,700 years before anyone sailed around it?
*How did the FBI devise the "Ten Most Wanted" list?
*How did they decide which horses were Thoroughbreds?
*How did they start the Guiness Book of World Records?
*How did they build the Great Pyramid at Giza?
*How did they decide how tall to make the Empire State Building?
*How did they start the Chicago fire of 1871?
 
Secure binding with light wear to extremities.