Every year since 1903, teams in Major League Baseball have battled for the chance to play in the final games of the World Series. This exciting book explores historic moments in World Series… More →

Coveted for their strategic military locations, forts often changed hands many times. Forts played a vital role in the settlement of the New World and were a means of refuge for soldiers and… More →

Earth was a lot different when dinosaurs were alive. Back then, the world's oceans were ruled by large sea monsters. Even though there have been incredible changes on Earth, there are still… More →

Earth was a lot different when dinosaurs were alive. Scientists study important clues that were left behind to learn what kinds of dinosaurs lived where, what they ate, and how fast they… More →

Earth was a lot different when dinosaurs were alive. Scientists study important clues that were left behind to learn what kinds of dinosaurs lived where, what they ate, and how fast they… More →

Earth was a lot different when dinosaurs were alive. They lived alongside many ancient mammals that can no longer be found. Incredible changes on Earth have left us with fossils that… More →

Earth was a lot different when dinosaurs were alive. Lush, deep forests once grew where we now have frozen oceans and glaciers. Even though there have been incredible changes on Earth, there… More →

Where do we get fossil fuels? Why do we use them so much? Fossil Fuels answers these questions and much more! More →

Rocks and minerals are all around us, but they're not all the same. Discover fossils and find out how they form, what makes them unique, and what they tell us about the past. Learn about some More →

Earth was a lot different when dinosaurs were alive. They lived alongside many ancient mammals that can no longer be found. Incredible changes on Earth have left us with fossils that… More →