¿Qué hace a una familia?

Snow falls when it is cold. Find out all the different ways snow can fall during cold weather. Paired to the fiction title Building a Snowman.

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.

Our senses help us discover things at the beach. Learn what you can hear, see, smell, and touch at the beach. Paired to the fiction title Wally and Molly Go to the Beach.

Brno, años cincuenta. En pleno terror estalinista, una joven pintora es asesinada tras un interrogatorio de la policía secreta. Su hermano, un arquitecto especializado en diseñar edificios de mal gusto para los gerifaltes comunistas, jura venganza. Un día, por casualidad, descubre un sótano abovedado situado justo debajo de su edificio, en el centro de Brno, y es entonces, tras recordar un relato de Nabokov, a quien conoció en su infancia, cuando se propone encerrar allí al responsable de la muerte de su hermana. No obstante, su particular campaña de venganza privada se le va de las...

The Declaration of Independence changed America forever. Readers will learn about the events that led up to the Declaration including unfair taxation from King George III and the Boston Tea Party in this Spanish-translated book. The vivid images, engaging sidebars, and supportive text explain what roles John Adams, Benjamin Franklin, and Thomas Jefferson played in the creation of the document and what they meant by including life, liberty, and the pursuit of happiness. To help readers better understand the vocabulary and content, an accommodating table of contents and glossary are provided.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of reusing resources and knowledge. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how reusing resources and knowledge can be helpful in the real world. In this book, readers learn about the Bill of Rights and how parts of it...

En esta obra, el autor ha puesto gran empeño en aportar datos inéditos sobre la vida de Arthur Nicolaier, y ha tratado de rescatar, para los profesionales de la salud y para el público en general, la figura, casi desconocida, de este médico alemán, que, a los 22 años, pasó a la historia de la medicina por descubrir el agente productor del tétanos.