Relieves de la Tierra

Brush your teeth up and down to keep your teeth healthy and your smile beautiful. Brushing your teeth is easy. Paired to the fiction title My Routine.

Animals sing or talk to communicate. They make noise for different reasons. Find out why some animals make certain noises. Paired to the fiction title So Many Classes.

It takes different parts to build a house. The floor is built first. Walls need to be added next. Windows and doors, too. Learn about the steps it takes to build a house. Paired to the fiction title We Have a Box.

A family can be made in different ways. Families are all made from love. Let’s learn how a family can be made. Paired to the fiction title The Family Photo.

La enseñanza de la Historia Nacional en nuestro país se ha caracterizado siempre por hacernos ver a sus protagonistas como frías estatuas de bronce o piedra, seres inexpresivos e inhumanos que nos observan con Mirada ausente desde su pedestal. Es por ello que hemos decidido pedir a los propios protagonistas de la Independencia que nos cuenten vida y obra con aciertos y errores incluidos, desde que nacieron y hasta el momento previo a su muerte. Esto con el único propósito de quitarle a la historia patria esa fría y aburrida solemnidad con la que también se suelen presentar los...

Reptiles y anfibios is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

Un chiquillo inmigrante, que se busca la vida vendiendo periódicos, se topa en varias ocasiones con un hombre que sale cada día a pasear con sus perros. Una noche el niño aparece en un portal consumido por la fiebre, y el hombre decide hacerse cargo de él. Así comienza una historia que se va complicando a medida que se descubre que el chico había estado en manos de una banda de delincuentes que, según se sospecha, se dedica a distintas actividades criminales, entre ellas la pedofilia y el tráfico de órganos.