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

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

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.

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.

HIGH-INTEREST, LOW-LEVEL: Reluctant readers will be engaged from beginning to end as they explore the responsibilities and skills of the soccer goalie in this 32-page nonfiction book. Side-by-side English and Spanish text and vivid, exciting photos show readers what it takes to fill this key position in soccer. SPORTS BOOK FOR KIDS: Soccer goalies are their team's last line of defense. These players must be quick on their feet to stop the other team from scoring a goal. Learn what soccer goalies do to help their team to victory! INCLUDES: Readers will be hooked from beginning to end with...

Menudo. "Hospital General. Les Miserables. Los Premios Grammy. "Livin' "La Vida Loca." Ha sido un largo camino para el actor y cantante Latino, pero el asegura que no cambiaria nada. Pasi de la locura de Menudo, a ser un actor y cantante en television y en los escenarios de Broadway. Con el estreno en Mayo de 1999 de su nuevo album en ingles (el cual incluye un duo con Madonna, una de sus mas grandes admiradoras), Ricky esta satisfecho son su gran exito. Con treinta fotografias, Ricky Martin: un album en palabras y fotografias es un retrato del talento de un jiven interprete. Lea la historia...

La Taberna de El Traga es un libro que se bebe de un solo sorbo, no es una historia pero sí una historieta de la famosa taberna. En la que ha lugar un divertidísimo desfile de los personajes que la poblaron, gran parte de ellos que ya se fueron para siempre, integrantes del singular elenco de un monipodio de aquellos años, viva moneda que no se volverá a repetir: El Gringo, el Piripi, el Brillantina, el Cojo Peroche, el Silvestre, el Loqui, el Terrible, el Joseliqui, el Habichuela entre otros, colmaron de ángel la Taberna que aquí se presenta;

There's so much more to heat than hot and cold! How it moves, keeps us warm in the winter, and helps us cook our food is all part of this key science topic. Inside a colorful layout, the main text is written with struggling readers in mind, giving clear, concise explanations in understandable language to propel these readers to classroom success. Graphic organizers reinforce important topics for visual learners and those using the books as a "crash course" review of heat.