Einstein's Dreams by Alan Lightman

Time is something for us to use so we can be productive. The guilt with time is our inability to control and be as productive as we feel we should be. Or we fear that we might lose time, as time runs out. 

One professor once said to a class in college, "The wristwatch was the key weapon in the decimation of the Native American."   

This is one book I wish I would have kept. 

A side note in History: Catch 18 was almost the title of Catch 22 by Joseph Heller.