Grade 4

Are you ready for the smackdown? Growing readers can learn about professional wrestling superstars, their moves, and their victories in this low-level series. From signature moves to final… More →

Gray squirrels have to be tricky to keep their food from being stolen. They bury acorns all over and dig them up again later. Curious readers can learn more fun facts about these clever… More →

One of the easternmost countries in Africa, Somalia is called a nation of poets. Although Somalia did not have an official alphabet until 1972, spoken poetry has been around for centuries. In More →

Nearly 3,000 years ago, the area that is now Lebanon was ruled by the powerful Phoenicians. Their empire helped lay the foundation for this modern, bustling country. Take a trip to the… More →

There is “Trouble in Paradise” for other wrestlers when Kofi Kingston enters the ring. This energetic superstar uses acrobatic moves to take opponents down in style. Find out more about this… More →

Full of history and peppered with paprika, Hungary is home to rich culture and delicious food. Although it shares similarities with its central European neighbors, Hungary’s unique language… More →

Big Show is one impressive superstar. This seven-foot tall giant dominates his opponents with his huge size and power. Learn more about the “World’s Largest Athlete” in this high-interest… More →

The human body does not always have the best manners. It makes farting and belching noises, spews and sweats, and lets boogers and earwax build up. Learn about gross body functions in this… More →

Steve Jobs is remembered as the “father of the digital revolution” and the “pioneer of the personal computer revolution.” He transformed the music, cell phone, movie, and computer industries… More →

Shooting for the moon, the Apollo 13 mission had to be aborted when an oxygen tank aboard the shuttle exploded in space. This left the astronauts with limited power, heat, and water! Watch… More →

Special forces operators are trained to do it all. These brave soldiers go behind enemy lines to train allies, gather intelligence, and carry out quick strikes. Find out how these amazing… More →

Built as an ocean liner for the rich and famous, this huge ship also transported troops in World War II. These days it serves as a hotel and museum for thousands of guests—several of whom may More →