Un Mosasaurus se desliza por el agua, en busca de presas. Ve un tiburón y ¡ZAS! El tiburón se con...

A Mosasaurus glides through the water, on the hunt. It spots a shark and CHOMP! The shark makes a...

The fierce Allosaurus stalks its prey, ready to chomp down with sharp teeth. This huge carnivore ...

Stretching its neck up high, Brachiosaurus munches on the leaves of a tall tree. This massive din...

Leaves swish and sway as Iguanodon slowly moves among the ferns. It munches on plants and digs up...

El Ankylosaurus golpea a un depredador con su maza de cola. ¡Zas! Fuerte y robusto, este enorme d...

Ankylosaurus swings its tail club at a predator. Whack! Tough and sturdy, this massive dinosaur k...

Las mandíbulas se cierran mientras el Spinosaurus atrapa un pez que nada cerca. Con un hocico par...

Las hojas se balancean mientras el Iguanodon se mueve lentamente entre los helechos. Mastica plan...

Estirando su cuello hacia arriba, el Brachiosaurus mastica las hojas de un árbol alto. Este enorm...

Jaws snap as the Spinosaurus snatches a fish that swims nearby. With a crocodile-like snout and a...

El feroz Allosaurus acecha a su presa, listo para morder con dientes afilados. Este enorme carnív...

Provides a thorough overview of the major pros and cons of paying college athletes. Readable text...

The Sun and Other Stars

College sports earn hundreds of millions of dollars for their schools. The money made by more pop...

Diagrams, graphs, and other infographics give readers visual literacy practice while also digging...

Follow the search for new planets through engaging text, vibrant photography, and powerful infogr...

Nature is full of animal look-alikes, and this series will equip readers with all the knowledge t...

'Diagrams, graphs, and fun text help readers explore the lives of red foxes and their place in th...

Provides a thorough overview of the major pros and cons of paying college athletes. Readable text...

Diagrams, graphs, and other infographics give readers visual literacy practice while also digging...

Misty Copeland

Mice share more than 95 percent of their genes with humans. Researchers have used mice to study l...

Diagrams, graphs, and fun text help readers explore the lives of African elephants and their plac...

Diagrams, graphs, and fun text help readers explore the lives of ring-tailed lemurs and their pla...

Anacondas

Pirates

Octopuses

Sea Snakes

Sloths

Discover the Milky Way and other galaxies through engaging text, vibrant photography, and powerfu...

Diagrams, graphs, and fun text help readers explore the habitats, diets, and daily lives of boa c...

Discover the sun and other stars through neutral Spanish text, vibrant photography, and powerful ...

Diagrams, graphs, and fun text help readers explore the habitats, diets, and daily lives of boa c...

Diagrams, graphs, and fun text help readers explore the lives of killer whales and their place in...

Lions

'Dive into learning about sea cucumbers with vibrant photography, engaging text, and range maps, ...

Raccoons

Bethany Mota

Diagrams, graphs, and other infographics give readers visual literacy practice while also digging...

Diagrams, graphs, and fun text help readers explore the habitats, diets, and daily lives of coppe...

Is It a Turtle or a Tortoise?

Diagrams, graphs, and fun text help readers explore the habitats, diets, and daily lives of pythons.

Black Bears

Diagrams, graphs, and fun text help readers explore the habitats, diets, and daily lives of pythons.

Diagrams, graphs, and fun text help readers explore the lives of eagles and their place in the wi...

Dolphins

Is It a Dolphin or a Porpoise?