Greg sat down and started watching TV. He saw scary car chases and fiery plane crashes. He felt shocked as he watched the violence of murder and war. Greg felt moved to tears by emotional music and scenes of terrible events. It felt like a powerful TV drama. But it was the news! Greg felt confused and scared. He thought, "The world is such a dangerous place. The news makes me feel so sad and hopeless."

Then one day, a friend gave Greg a book. The book was "Factfulness" by Hans Rosling. It...