Ages 9 to 10

What’s the difference between a typhoon, a cyclone, and a hurricane? Who believes that frog marriages can end a drought? Does lightning ever strike the same place twice? World Book’s True or False?: Weather is here with the answers to these questions and...

Whose silhouette is on the NBA logo? Who is the world's fastest person? Which horse was the first to win the Kentucky Derby? World Book's True or False?: Sports is here with the answers to these questions and more! Students are encouraged to think for...

Who was the first woman in space? Was Rosa Parks the first person to be arrested for resisting bus segregation? Who was the youngest person to win the Nobel Peace Prize? World Book's True or False?: Remarkable Women is here with the answers to these...

Did prehistoric people hunt dinosaurs? Did Stone Age people like to "rock out" to music? Do Neandertals live among us today? World Book's True or False?: Prehistoric People is here with the answers to these questions and more! Students are encouraged to...

Did Billy the Kid ever rob a bank or a train? Who was Australia's most famous bushranger? Have there been any women outlaws? World Book's True or False?: Outlaws is here with the answers to these questions and more! Students are encouraged to think for...

Is there scientific proof that ghosts exist? When is the best time to see ghosts? In which country are there stories about ghosts who haunt bathrooms? World Book's True or False?: Ghosts is here with the answers to these questions and more! Students are...

What is a person who collects neckties called? Did hippies invent bellbottoms? Which ancient city had a shopping mall? World Book's True or False?: Fashion & Clothing is here with the answers to these questions and more! Students are encouraged to...

Which city has more than 100 letters in its name? Which city has a chocolate museum? In which city is it illegal to chew gum? World Book's True or False?: Cities is here with the answers to these questions and more! Students are encouraged to think for...

What is the most famous painting of all time? Was Michelangelo an art forger? Did Vincent van Gogh really cut off his own ear? World Book's True or False?: Art is here with the answers to these questions and more! Students are encouraged to think for...

When was the first Earth Day? How do animals survive in winter? Why don't we just drink seawater? We at World Book answer all of your environmentrelated questions. Answer Me This, World Book answers questions about such topics as food, inventions, and...

When we talk to our dogs, can they understand us? Why does a cat's tongue feel prickly? Are dogs of similar breeds always friends? We at World Book answer all of your questions related to dogs and cats. Answer Me This, World Book answers questions about...

When was YouTube created? Why did medieval surgeons know so little about anatomy? Why is medicine important? We at World Book answer all of your questions related to inventions and origins. Answer Me This, World Book answers questions about such topics...