Buffy Silverman

Can you stretch your thumb back to your arm? Is your pinkie straight or slightly bent? What determines the way your joints bend - or don't bend....

Do you know what makes a reptile a reptile? Listen to this audiobook to find out....

What do a bullfrog, a salamander, and a toad have in common? They're all amphibians! Learn about the characteristics that all amphibians share....

Do you know what makes a bird a bird? Listen to this audiobook to find out....

What do a shark, a seahorse, and a ray have in common? They're all fish! Learn about the characteristics that all fish share....

What do an elephant, a mouse, and a dolphin have in common? They're all mammals! Learn about the characteristics that all mammals share....

What do a penguin, a pigeon, and a peacock have in common? They're all birds! Learn about the characteristics that all birds share....

A huge dinosaur stomps around on two legs. It hunts with sharp teeth and claws. Its head is large, but its arms are tiny. Was that a tyrannosaurus? Or was it an allosaurus? These dinosaurs looked similar, but they were very different....

A dinosaur with pointy horns searches for a meal. It tears leaves off branches with its strong beak. Was that a Triceratops? Or was it a Protoceratops? These dinosaurs looked similar, but they were very different. Listen to this book to become an expert at telling these look-alikes apart....

A dinosaur sticks its tiny head between the trees. It reaches for plants with its long neck and spoon-shaped teeth. Was that beast a Brachiosaurus? Or was it an Apatosaurus? These dinosaurs looked similar, but they were very different....

A small, fierce dinosaur follows its nose. Its tail helps it balance. Then, it sinks its sharp teeth and claws into its next meal. Was that a Velociraptor? Or was it a Deinonychus? Listen to this audiobook to become an expert at telling these look-alikes apart....

Bats are blind. An old dog can’t learn new tricks. The early bird catches the worm. You may have heard some of these common sayings or beliefs before. But are they really true? Can they be proven using science? Let's investigate 17 statements about animals....

A fearsome dinosaur stomps around on two legs. It swipes its sharp claws and shows off its pointy teeth. Was that monster a Giganotosaurus? Or was it a Spinosaurus? Listen to this audiobook to become an expert at telling these look-alikes apart....

A dinosaur with an armored back chomps on plants. It swings its tail at a hungry meat eater. Was that a Stegosaurus? Or was it an Ankylosaurus? These dinosaurs looked similar, but they were very different....

¿Qué tienen en común una tortuga marina, una iguana y una pitón? ¡Son todos reptiles! Conozca las características que comparten todos los reptiles....

The desert biome can be found all around the world. Land in this biome is dry and often hot. How do animals in deserts find water? And what kinds of plants thrive in deserts? Listen to this audiobook to find out....

Winter lasts a long time in the evergreen forest biome. The trees here stay green all year. But how do tree needles help a tree survive the winter? And how do animals live in the snow and cold? Listen to this audiobook to find out....

Have objects from space ever hit Earth? Yes! Every day, small meteoroids crash into the atmosphere. Some burn up, but some hit the ground....

Can you roll your tongue into a U-shape? Some people can. But other people's tongues stay flat. What determines whether you can roll your tongue? Listen and find out....

Listen to this book to find out about how your genes affect your physical features....