Related:

• THE SUBJECT WAS CAMELS (Ships of the desert) A traveling salesman had a route that took him half way round a large desert.
  He would stop at each small town on the deserts edge deliver supplies from his last visit and get new orders for the next trip out....
• A Frenchman, an Englishman, a Texan, and a Mexican are flying in a plane.
  The pilot explains to her passengers that the plane is too heavy and in order to avoid an ugly crash, some weight needs to be removed from the plane....
• The Poles have a saying about how communist governments rewrite history
  "Only the future is certain; the past is always changing" A would-be bandit failed because he had written a holdup up note on another bank's withdrawal slip....
• The Wizard of Zone Once upon a time in Depression-era Kansas there was a little black boy named Zachary X (pronounced "ex" not "ten") who lived on a farm.
  He was an orphan, a cheap device to garner your sympathy....
• The responses below mention the following works (a few added)
  A Random Walk in Science - R.L. Weber and E. Mendoza More Random Walks In Science - R....
• The ark lands after The Flood. Noah lets all the animals out.
  Says, "Go and multiply." Several months pass. Noah decides to check up on the animals....
• What's the difference between a banjo and a(n)... Chain Saw
  ( 1.) a chain saw has a dynamic range. ( 2.) you can turn a chain saw off....
• A man was out for a walk one day and on his travels he wandered through a farm.
  Strangely, he saw a pig with a wooden leg! This intrigued him so much he found the farmer and quizzed him about it....
• RACIAL/ETHNIC There were these two men drinking together in a bar.
  One was of Chinese extraction, the other Jewish....