Which civilization gave us the Olympic Games? It?s ancient Greece, and readers discover this and other fun facts as they explore one of the ...
There was more to life in ancient Egypt than building pyramids and mummifying bodies. Readers explore the complex and unique civilization ...
Alligators, crocodiles, and lizards are all amazing animals, and they are also all reptiles. Why are these cool creatures classified as ...
Lions, elephants, and people may seem very different, and they are in many ways. However, they are also similar in enough ways to classify ...
Insects can be very different, but they all have some important characteristics in common. Readers discover that these shared ...
Readers travel to the depths of the ocean as they learn fascinating facts about what makes fish different from other animals. As readers ...
Some of the most unique animals on the planet are classified as birds. As readers explore this amazing animal group, they discover fun ...
What makes a frog an amphibian and not a reptile or a mammal? Readers discover the answer to this important question as they learn to ...
ISIS is a significant threat to modern society?it has caused the deaths of thousands and the rise of anti-Muslim sentiment around the ...
