It is immensely entertaining. I laughed at nearly every page. Lee carefully explains in the introduction that her purpose is neither to make those that spoke with such assurance look foolish, even if they are, nor to try to figure out why their predictions failed. Her only criterion was, if a prediction was incorrect, it was included. They are arranged by the year they were made and by topic.
Some predictions are strange, some are wishful thinking, and some are downright daffy.
A copy of his proof made the first crossing in 1838. He said flying was reserved for the angels. And according to The Limits to Growth, we are supposed to be out of gold, mercury, tin, zinc, petroleum, copper, lead, and natural gas by now, or rather seven years ago. Mark Twain decided not to invest in Alexander Graham Bell's new invention, but instead went bankrupt backing a cumbersome typesetting machine. Even Stephen King was so crushed when his first novel, Carrie, was rejected that he hid it in a drawer for 10 years.