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Harold T Rober Libros

El Mamut Lanudo

Learn all about the giant, tusked woolly mammoth, which coexisted with humans until it went extinct. Now in Spanish, this carefully leveled text includes full-color photographs, diagrams, and other resources to make this subject interesting and accessible to young readers.

El Iguánodon

Meet the iguanodon, an herbivore dinosaur who weighed tons–literally! Now in Spanish, carefully leveled text and colorful images help readers learn what life was like for these spiky-thumbed plant-eaters.

El Tigre Dientes De Sable

Saber-tooth cats have been extinct for thousands of years, but once upon a time they were the predators of their neighborhoods. Now in Spanish, this carefully leveled text helps readers learn more about these ancient felines with diagrams, critical thinking questions, and more, compiled in an accessible and interesting format for young readers.

El Tricerratops (triceratops)

Now in Spanish, this look at one of the most classic dinosaurs helps readers become Triceratops experts. Diagrams, a photo glossary, and other great nonfiction text features engage readers and make this book informative and accessible.

El Velocirraptor

The Velociraptor was one scrappy scavenger. Now in Spanish, this carefully leveled text includes diagrams, a photo glossary, and other engaging and informative features. Help readers get to know this fascinating ancient creature!