¿Por qué hibernan los animales? (Why Animals Hibernate)

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

SOFIA REYES: Explore fascinating facts about up-and-coming Mexican musician Sofía Reyes! She is on her way to becoming one of the top Latin Pop Stars in the world, but has she always loved music? Let's get to know Sofía Reyes! STARS OF LATIN POP: This photo-filled biography series follows the journeys, careers, and passions of some of the biggest names in Latin Pop. Discover the accomplishments that make them some of the top musicians today! INCLUDES: This 32-page high-interest book for striving readers in grades 4–9 features text in both English and Spanish. Glossary words are defined on ...

The world's myths are filled with characters, creatures, and stories that have fascinated people for thousands of years. This series mixes dramatic retellings and non-fiction information to give a full picture of a culture's myths. This book explores the gods, goddesses, heroes, villains, tricksters, and quests that make Egyptian myths and legends so compelling. Fully translated Spanish text.

Desde el Big Bang hasta tu cumpleaños, y (casi) todo lo demás, este divertido y revelador libro cuenta tu historia. Esta es tu biografía (aunque no lo sepas). Este libro te llevará por un increíble recorrido desde el Big Bang hasta tu nacimiento (¡y en menos de lo que tardas en ponerte los calcetines!). Sus páginas te ayudarán a atravesar océanos de tiempo para ir desde el espacio hasta la puerta de tu casa en una aventura que empieza con un gran BOOM. ¿Te apuntas al viaje de tu vida?

¿Sabías que los gatos necesitan rasguñar cosas para mantener sus uñas sanas? La mayoría de los gatos tienen 18 uñas. Aprende más sobre estos increíbles animales en El gato. The AV2 Spanish language collection gives emerging bilingual readers access to both a printed Spanish book and an eBook that provides both Spanish and English translations of the text.