Intermediate

¿Sabías que la luz del sol que calienta tu piel en un día soleado se puede utilizar para producir energía? Pero, ¿cómo se recolecta la luz solar y se convierte en energía que podamos usar? ¿Y Read More →

The American Civil War has just ended and John Carter, a former Confederate soldier, is searching for gold in the West. Instead of discovering riches, he breathes in a strange gas in a cave… Read More →

Henrietta Szold took Queen Esther as a model and worked hard to save the Jewish people. In 1912, she founded the Jewish women's social justice organization, Hadassah. Henrietta started… Read More →

Do you like horses? Then you'll love learning all about the Arabian. Arabians are proud and graceful animals, and they have plenty of spirit. Did you know that Arabians served as war horses… Read More →

Welcome to a South American rain forest! As you push your way through the thick, green jungle, you see, hear, and feel the wildlife. Howler monkeys screech overhead as they munch on leaves.… Read More →

Ramadan is almost here! It's Zain's favorite time of the year. Well, it usually is. After a recent move and with no mosque or Islamic school in his new neighborhood, will Zain find a new… Read More →

As a defender for the Fraser High girls soccer team, Addie used to be ready for anything. There was no play she couldn't shut down. But now the biggest threat on the field is one of her… Read More →

Through howling snowstorms and over treacherous sheets of ice, Matthew Henson and Robert Peary raced against other explorers and death itself to be the first to reach the North Pole. After… Read More →

In this Early Bird title, readers learn about the physical characteristics, habitat, and behavior of the arctic fox. Read More →

Climate change is causing Arctic ice to melt quicker than it can be replaced. But what happens when there is less Arctic ice? Discover what Arctic sea ice is and why it is important, how… Read More →

The Arctic and Antarctica are the wildest places on Earth. After millions of years, they have hardly changed. In the oceans, there are huge icebergs and tiny sea creatures. On the ice, there… Read More →

Ice in the Arctic is disappearing—and opportunity is calling. As climate change transforms the top of the world, warmer conditions are exposing a treasure trove of energy resources previously Read More →

It's a big question—are bees nature's tiny heroes? Bees are incredible, as are the melittologists who study them! Bees may seem small, but they make a huge contribution to our natural world.… Read More →

It's a big question—are birds modern-day dinosaurs? Dinosaurs ruled the Earth for millions of years and are now extinct, but could some have survived and are now the birds we see today?… Read More →

It’s a big question—are glaciers the key to climate change? Glaciers are incredible, as are the glaciologists who study them! As these giant ice sheets melt rapidly, their study could be… Read More →

It’s a big question—are meteors the fastest thing in outer space? Meteors are incredible space travelers, and meteoriticists are uncovering their mysteries to understand our universe.… Read More →

It's a big question—are octopuses from another world? These animals and their incredible, unique features help reveal fascinating facts about the animal kingdom. Discover how teuthologists… Read More →

It’s a big question—are spider webs stronger than steel? Spiders are remarkable creatures that hold many secrets about the natural world! Discover how arachnologists study these fascinating… Read More →

The drums are a blast to play and fun to learn. Drummers play in many types of groups from rock to pop to jazz. The band Led Zeppelin had hard-rocking drum rhythms. Even Beyoncé dances to… Read More →

The Universe is massive. There are at least one hundred billion stars in the Milky Way Galaxy alone. And there are at least one hundred billion galaxies in our Universe. That means there are… Read More →

New York Times award-winning author/illustrator Sven Völker once again brings his trademark graphic imagery to this gorgeous introduction to philosophical ideas for even the youngest of… Read More →

It's a big question—are whales and dolphins smarter than humans? Whales and dolphins are incredible, as are the cetologists who study them. Dive into this wonderful underwater adventure to… Read More →

Have you ever felt like you could read a friend's mind? Is it possible to predict the future or move objects without touching them? Many people claim to have psychic abilities. Whether these… Read More →