“He had wasted his four hours time-travel in chatting, doing sums and even fighting. He had nothing to show Dr. Simiak from the Middle ages. It would not be of much value to tell him about the fascinating Leonardo.”
Fifteen-year-old Dolf uses a prototype time machine and gets stuck in the Middle Ages. Trying to find his way back to the twentieth century, he joins a children’s crusade of almost ten thousand children on their way to the Holy Land.
“Dolf was feeling troubled again. Stealthily, he glanced at his watch. Heavens! Half-past four! He had completely forgotten the time. There was no possibility now of this visiting that medieval town.”