¿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.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

Simple text and full-color photos illustrate facts about the rules, equipment, and records of basketball.

Nutritious foods presented in an alphabetical order form with healthy food faces depicting a variety of emotions for children ages 3-6. The faces are surrounded by colorful food icons with vocabulary in both languages. Includes activities for children and a nutritional glossary for parents. --

Fly into some learning fun by introducing young readers to animal classifications by explaining how birds are grouped. This nonfiction book explores the differences and similarities between several classes, families, genera, and species of birds, and how animal classification works—part of the Los animales también tienen clases series. Fun Children's Book Features: This Spanish science book includes a glossary, index, comprehension questions, and reading activity to encourage further learning and reading comprehension skills. 24 pages with vibrant photographs Guided reading level O About...

El sueño americano se tambalea peligrosamente.Durante el turbulento verano del escándalo Lewinsky, Coleman Silk, decano de universidad, ve cómo su reputación y su carrera se arruinan por decir una expresión poco afortunada en un momento inoportuno. La fiebre de lo políticamente correcto -la nueva caza de brujas en EE UU- desata, a partir de una sola frase, consecuencias devastadoras. Pero la verdad acerca de Silk desarmaría las acusaciones más virulentas. Porque guarda un secreto vital, que no es la aventura amorosa que mantiene con una mujer a la que dobla la edad, ni sus supuestos...