Hankie always does the same things at the same time. He even sneezes on schedule. The other horses tease him. What a bore Hankie's determined to prove that he can be unpredictable if he wants to -- but can he? Or will he just end up being the same old Hankie? Horses, humor, and a great big sneeze all combine to explain how to look at past events and make predictions about the future, an important element of logical thinking.