Cómo funcionan los imanes (How Magnets Work)

An introduction to the night sky, describing major constellations and the planets of the solar system.

Soccer has been played for over 200 years in hundreds of countries across the globe. While it doesn't always get the same level of exposure that football or basketball enjoy in the United States, professional soccer is one of the world's most popular sports. Soccer has a number of living superstars who have changed the game forever with their talents and achievements. Readers will learn about Marta, often regarded as the greatest female soccer player of all time. The inspirational story of her life, trials, and journey to greatness is sure to turn young readers into soccer fanatics.

Introduce students to the importance of taking care of the Earth and protecting our environment. With this Spanish-translated text, readers will learn how they can help the planet. Engaging, primary source documents and images keep students reading as they build their literacy skills and social studies content knowledge.

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?