Por qué?

Al final de cada página de este libro ilustrado, el lector tiene que elegir entre dos caminos a seguir por el protagonista, creando así su propia aventura. Los personajes y las situaciones de los cuentos tradicionales se entrelazan en un laberinto de 1001 posibles historias.

Have you ever seen a skyscraper that is shaped like an elephant? How about one that looks like waves? Students will learn how to measure area while engaged in reading about the world's coolest skyscrapers! This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...

Una guía para sobrevivir a la adolescencia masculina, sin morir en el intento. Confidencial Contiene información valiosa para todas aquellas víctimas de la epidemia adolescente y sus síntomas más notorios: invasión de pelos y acné, neuras inmanejables, contradicciones crónicas, insomnios frecuentes, bronca escolar implacable, amoríos platónicos, resistencia pasiva, enmudecimientos prolongados y ¡desesperación familiar! Con un tono directo y sin prejuicio, este libro busca orientar y dar respuesta a temas difíciles como los músculos, los deportes, las mujeres, el acné, datos...

This timeless tale (now available in Spanish) tells children the story of the crucifixion from the viewpoint of Rex, the tree that became the cross Jesus carried to Calvary. Proud and ungrateful at first, Rex learns a lesson in love from the humble and gentle Jesus. With this story, children come to understand the importance of Jesus' sacrifice and the power of his love. El arbol orgulloso se llamaba Rex y se portaba como si fuera el rey de todos los arboles del bosque. Hasta que un dia sucedio algo que cambio su vida y la de toda la creacion. Este relato imaginario sobre la crucifixion llega ...

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.