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

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.

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.

El monito travieso por encima de todo is a reinforced, library bound book in The Child's World series El Castillo Mágico.

Ya sea polvorosa o mojada, suave o flexible, en todas partes hay materia. ÁHasta el aire est‡ formado de materia! Mira c—mo los s—lidos, los l’quidos y los gases cambian de forma en este libro sobre la materia.

Children often assume that being fair means that everyone gets the same number of cookies, but at the heart of fairness is consideration, respect, and caring for others. Your readers will encounter real-life situations in which young people figure out how to act fairly. They'll meet Ben and Jane who are playing on the swings at recess while other children wait to use the swings. What is the fair thing to do? Each spread consists of one of these relatable scenarios along with a full-color photograph. Fun, accessible text encourages readers to consider how they treat others as they discover...

Finales de los años noventa. La policía danesa encuentra en una casa de veraneo los cadáveres de dos hermanos que han sido brutalmente asesinados. Las sospechas recaen sobre unos jóvenes de buena familia, conocidos por su afición a la violencia. Tiempo después, uno de ellos se entrega y confiesa el crimen. Sin embargo, veinte años más tarde, los archivos del caso aparecen en el Departamento Q. ¿Qué oscuros secretos esconde aún el círculo de amigos? ¿Cuál es el paradero de la enigmática mujer de los mil rostros, la única mujer del grupo?