La fuerza y el movimiento (Forces and Motion)

Understanding light and color might seem impossible, but if readers already know the colors of the rainbow, they're part of the way there. Including the light spectrum, wavelengths, and other key concepts, this book tackles light and color for those falling behind in class because of their reading skills. The main text is written with these struggling readers in mind, accompanied by full-color photographs and diagrams to aid understanding. An extended glossary introduces and explains all the vocabulary readers need to continue learning about light and color.

"Aprende todo acerca de los delfines en este emocionante libro en español. Con sus imágenes encantadoras, los niños aprenderán todo sobre estos asombrosos animales marinos. Este libro de Nivel 2 es apropiado para los primeros pasos de lectura independiente o para una experiencia de lectura en voz alta, ¡perfecto para motivar a futuros científicos y exploradores!"--Amazon.

En septiembre de 1978, el llamado "papa de la sonrisa" moría después de treinta y tres días de haber sido elegido. La versión oficial anunciaba su muerte como debida a un infarto de miocardio. David A. Yallop inició su investigación a petición de ciertas personas residentes en el Vaticano que se sentían preocupadas por las extrañas circunstancias que rodeaban esta muerte. Tras tres años de investigación, el autor descubrió la existencia de una red de corrupción que se detalla en este libro.

Ideal for English language learners, this Spanish-language series provides a lively first look at people and countries around the world. The simple text is supported by large, colorful photos. Titles feature an overview of each country's people, land, weather, homes, food, and lifestyle.

In today's chaotic world, opportunities abound for youth to disengage from community and worship. Once this happens, young people often don't come back. The National Federation for Catholic Youth Ministry wrote From Age to Age in 1997 as part of multiple-year response, to increase youth participation in worship. The document sparked national dialogue on how Roman Catholic parishes might best reach out to and involve youth in Catholic worship. From Age to Age revisits the liturgical principles of Vatican Council II and applies them in creative ways. The document provides strategies to help...