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A study of the life and time of the spinosaurus.
Discusses glaciers, oceans, volcanoes, rocks, minerals, earthquakes, and the history of the Earth.
From a blue egg to a soaring bird, learn all about the different stages in a robin's life cycle. Told from the robin's perspective, early readers get a first-hand experience into its life stages. Simple sentences help develop word recognition and improve reading skills. Each book in this series includes a table of contents, glossary, index, and an author biography.
Long ago, a once-mighty Allosaurus stalked the land searching for helpless prey for dinner, too sick to battle stronger dinosaurs. Millions of years later, scientists discovered the bones of this 'different lizard' in Wyoming and named him Big Al. Read how Big Al helped them learn more about Allosaurus and its days on Earth. Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
Whether you're interested in weather, oceans, or even the prehistoric world, earth science covers it all. The fascinating facts and fun activities in these titles help the budding earth scientist in you explore the fields of geology, meteorology, ecology, and more.
Describes physical characteristics that helped protect several kinds of dinosaurs from predators, including tall plates, bony scutes, spikes, and tail clubs.
American mink have beautiful, thick, glossy fur. At one time, many were exported to other countries where farmers raised them for their fur. Find out what happened to native species when fur went out of fashion and many minks were released into the wild.
This book describes the physical characteristics, behavior, and habitat of the Iguanodon, a plant-eating dinosaur.
Explore the life cycles of creatures large and small, from the simple mayfly to Africa's proud lion. Told from the creature's perspective, early readers get a first-hand experience into their life stages. Simple sentences help develop word recognition and improve reading skills. Each book in this series includes a table of contents, glossary, index, and an author biography.
Explains how paleontologists dig out fossils, protect them, map out where they were, and build dinosaur skeletons.