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There are 6 books in this set.
Explore the world of creatures so odd and terrifying that if they were alive today they would be considered monsters. From a 10-foot kangaroo to a 350-pound killer bird, realistic illustrations bring each creature to life. Clear text describes how these monsters lived and came to extinction.
In the days of the ice age, a monstrous bear ruled the forests and caves of the northern world. Even today's biggest bears can't compete with this huge beast! ...
You've never seen a creature like this before! This ancient kangaroo was five times larger than today's biggest kangaroos. Add long claws and hooves, and ...
Imagine a lizard as long as a truck! The Megalania was an ancient Australian terror that could smell a rotting body from miles away. Check out the monster that ...
Seven-inch fangs, huge claws, and a powerful body put the sabertooth cat at the top of the food chain. Find out more about the fierce cat that stabbed its ...
With its wolflike body, kangaroo tail, and tiger stripes, the Tasmanian tiger was a frightening sight. And when this toothy beast opened its mouth, it was ...
This monster's name says it all. For years, fast and fierce terror birds ruled South America. Find out more about the bird that swallowed small animals in one ...
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