Technology Nonfiction

Hibernation is a cycle that some animals go through every year. Most people know that bears hibernate. But why do they hibernate? And what other animals hibernate?

How does an egg become a butterfly? Follow each step in nature's cycle - from egg to brightly colored insect - in this fascinating book!

How does a foal grow into a horse? Follow each step in nature's cycle - from birth to stallion or mare - in this fascinating book!

What does it mean to migrate? Discover which animals migrate and why they migrate through detailed, simple text.

Compare different types of scales and discover how they protect the bodies of fish and reptiles.

Some mammals have a little fur or hair, others have a lot! Learn how fur helps these animals survive.

How does a tadpole become a frog? Follow each step in nature's cycle - from egg to adulthood - in this fascinating book!

Guinea pigs are cuddly pets! These furry rodents like to snuggle with their owners. Young students can learn about the care and lives of these favorite pets through simple, predictable text in this fun title.

Featuring 18 trailblazing Black women in American history, Little Leaders educates and inspires as it relates true stories of breaking boundaries and achieving beyond expectations. Among these biographies, listeners will find heroes, role models, and everyday women who did extraordinary things - bold women whose actions and beliefs contributed to making the world better for generations of girls and women to come.

From the New York Times best-selling author of Little Leaders: Bold Women in Black History comes the highly anticipated follow-up, a beautifully illustrated collectible detailing the lives of women creators around the world.

¿Qué tienen en común y en qué se diferencian los cangrejos y las langostas? Aunque ambos animales viven en el océano, uno prefiere nadar y el otro caminar. Uno puede ser encontrado en pozas costeras y el otro en alta mar. Ambos tienen esqueletos en la parte externa de sus cuerpos. ¡Hay mucho más sobre estos animales además de ser un buen alimento para nosotros! Aprende sobre estos crustáceos fascinantes en la edición más reciente de la serie de Un libro de comparaciones y contrastes.

Las focas y los leones marinos tienen un aspecto similar y algunas veces es complicado saber cuál es cuál. Ambos mamíferos marinos nadan con aletas y pueden encontrarse en océanos alrededor del mundo. Uno tiene orejas visibles, mientras que las orejas del otro no son externas. Uno atraviesa el agua utilizando sus aletas traseras, mientras que el otro usa sus aletas frontales para nadar. Ya sobre tierra, uno rebota hacia sus alrededores, mientras que el otro puede “caminar” sobre sus aletas.

¿Sabías que hay más insectos que cualquier otro grupo de animales? La diversidad de insectos es asombrosa. ¿Qué tienen en común las hormigas con las abejas? ¿Cuál es la diferencia entre una mariposa y una polilla? ¿Cómo están relacionados los gorgojos y las mariquitas? Algunos insectos tienen un par de alas, otros tienen dos pares y hay algunos que no tienen alas. Algunos insectos, aunque no todos, tienen un caparazón duro y externo (exoesqueleto). Aprende en qué se parecen y diferencian los insectos en esta nueva entrega de la serie de Comparaciones y Contrastes.

The inspiring stories of six people who changed history, including Alessandro Volta, inventor of the battery; Michael Faraday, inventor of the electric motor; Marie Curie, famous for her work on radioactivity; Albert Einstein, creator of the theory of relativity; Alexander Fleming, discoverer of the first antibiotic; and Linus Pauling, chemist and peace activist.

Welcome to the United States of America! The USA is the third largest country in the world and also, one of the most beautiful. It is full of lakes and rivers, mountains and canyons, beaches and deserts. It has many different trees and flowers and all sorts of different crops grown for use as food. And, of course, America has birds and animals of all kinds. Last, but not least, the United States has about 300 million people from many different backgrounds and cultures.

You're probably familiar with many of the common categories scientists use for animals: warm-blooded or cold-blooded, nocturnal or diurnal. But what about the animals that don't fit in? Sharks cannot be classified as warm or cold-blooded—they are somewhere in-between. And Eurasian eagle owls don't hunt during the day or night. Instead, they swoop through the trees at dawn and dusk. Author and science educator Jessica Fries-Gaither introduces eight common categories scientists use and the animals that break those rules.

Jackals will eat almost anything. On the African savanna, they will even steal food from much bigger animals, like lions. Learn more about the lives of jackals.

Emma Lilian Todd's mind was always soaring—she loved to solve problems. Lilian tinkered and fiddled with all sorts of objects, turning dreams into useful inventions. As a child, she took apart and reassembled clocks to figure out how they worked. As an adult, typing up patents at the U.S. Patent Office, Lilian built the inventions in her mind, including many designs for flying machines. However, they all seemed too impractical. Lilian knew she could design one that worked.

Snakes are both cool and creepy! So there is no better series to get young kids exploring books. Each title has interesting facts about these slithering reptiles.

Beep! Beep! Here comes a dump truck! Young students can learn basic facts about these load-bearing machines through simple text to support listeners who are just starting out.