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The Colosseum is one of the world's most amazing wonders. Built nearly 2,000 years ago, the ancient amphitheater in Rome, Italy, is a window into Roman life during the rule of Emperor Vespasian. This elementary-level introduction, filled with vibrant...

The Colosseum is one of the world's most amazing wonders. Built nearly 2,000 years ago, the ancient amphitheater in Rome, Italy, is a window into Roman life during the rule of Emperor Vespasian. This elementary-level introduction, filled with vibrant...

Chichén Itzá is one of the world's most amazing wonders. Built in the sixth century, the ancient Mexican city speaks to the advanced math and science skills of the Maya. This elementary-level introduction, filled with vibrant photos and factual text,...

Chichén Itzá is one of the world's most amazing wonders. Built in the sixth century, the ancient Mexican city speaks to the advanced math and science skills of the Maya. This elementary-level introduction, filled with vibrant photos and factual text,...

With its smooth, torpedo-like shape, the seal is a phenomenal deep-sea diver. This zoology title for children, filled with beautiful photos and factual life science text, examines the marine mammal's anatomy, hunting and feeding habits, life cycle, and...

With its smooth, torpedo-like shape, the seal is a phenomenal deep-sea diver. This zoology title for children, filled with beautiful photos and factual life science text, examines the marine mammal's anatomy, hunting and feeding habits, life cycle, and...

With its large claws and curved, stinging tail, the scorpion is an intimidating arachnid. This zoology title for children, filled with beautiful photos and factual life science text, examines the animal's anatomy, hunting and feeding habits, life cycle,...

With its large claws and curved, stinging tail, the scorpion is an intimidating arachnid. This zoology title for children, filled with beautiful photos and factual life science text, examines the animal's anatomy, hunting and feeding habits, life cycle,...

Like deer and antelope, pronghorn are amazing animals--some of the fastest on the planet! This zoology title for children, filled with beautiful photos and factual life science text, examines the mammal's two-toed hooves and other parts of its anatomy,...

Like deer and antelope, pronghorn are amazing animals--some of the fastest on the planet! This zoology title for children, filled with beautiful photos and factual life science text, examines the mammal's two-toed hooves and other parts of its anatomy,...

Despite its fierce-looking quills and high-pitched chirps and squeaks, the North American porcupine is a shy, gentle rodent. This zoology title for children, filled with beautiful photos and factual life science text, examines the mammal's anatomy,...

Despite its fierce-looking quills and high-pitched chirps and squeaks, the North American porcupine is a shy, gentle rodent. This zoology title for children, filled with beautiful photos and factual life science text, examines the mammal's anatomy,...