Uses humor in both text and illustrations to describe what it would require to launch a voyage of discovery, what shipboard life would be like, and what the rewards would be using the voyages of Columbus as an example.

Provides information on the training, traditions, and life of knights during the Middle Ages for a young boy who thinks that that is what he wants to be

A humorous and gory look at the ancient Aztec tradition of sacrificing enemy warriors to the gods

Today, going to the dentist is usually a safe and painless experience. In past centuries, that wasn't always the case. Read and learn how lucky we are to live in modern times.

Uses a newspaper format to present the inventions, lifestyles, climate changes, and progress in hunting and farming of the Stone Age

"Describes what life would be like without pain."-- A pain-free world may sound wonderful, but the inability to feel pain actually places people in danger. If your brain doesn't receive a pain signal, your body could become severely injured. Macdonald explains the science and history of pain and pain relief, and shows you the harsh reality of life before modern painkillers.

Contains fascinating facts and historic snapshots of knights and castles

"For thousands of years, mankind has been fascinated with the science of measuring time. Even our earliest ancestors needed to know how long the daylight would last, and how long it would be before the buffalo returned. This book tells the story of our obsession with time, and our increasingly accurate ways of measuring it."--Back cover.