Jen Green

This entertaining book guides readers through the Golden Age of this ancient civilization, exploring the empire that became the largest in the world under Alexander the Great. It includes features on democracy, philosophy, epic poetry, the gods that influenced Greek actions, and the battles that were fought, particularly between the city states of Athens and Sparta.

A sea otter mother licks and licks her newborn's coat to clean it and get out the tangles. The pup's fur is so soft, fluffy, and full of air by the time she finishes that the baby floats easily on the sea's surface. Then the mother looks up at the sky and sees a huge bald eagle diving straight toward her pup! She has only seconds to prevent disaster. Young readers will explore the underwater world of this marine mammal through clear text, full-color...

A moray eel pokes its head out of an undersea cave just as some brightly colored fish swim by. With lightning speed, the moray grabs one of the fish with its curved, needle-like teeth! Then, in a flash, it disappears into its cave to eat its meal undisturbed. Young readers will explore the underwater world of these strange fish through clear text, full-color photos, and diagrams. Age-appropriate activities, such as matching descriptions of various...

A few seals are playing in the waves near a shore. Suddenly a dark, triangle-shaped fin appears above the water's surface. When the seals see the fin headed toward them, they scatter in all directions as fast as they can. They know that one of the scariest predators in the sea--a great white shark--is headed their way! Young readers will explore the underwater world of this enormous fish through clear text, full-color photos, and diagrams. Age-appropriate...

A California sea lion shoots above the ocean's surface. Suddenly there is another, and then a third one racing through the water. The sea lions are speeding toward one of their favorite places to dive for clams. Then things get scary. A gigantic great white shark bursts out of the water. The sea lions' hunting trip has just turned into a race for their lives! Young readers will explore the underwater world of these beautiful marine mammals through...

We are all aware of the importance of the environment - it's in the news, it affects our behavior and the decisions we make every day. But what actual impact has environmental thinking had on the world around us? This thought-provoking book looks at the way changing ideas about the environment and sustainability have affected our attitudes to conservation, and will do so in the future.