El sistema óseo (The Skeletal System)

Ahora en español, la verdadera historia del juguete favorito de todos los niños en el verano, la Súper Pistola de Agua, y cómo fue inventado por accidente. Mientras trataba de crear un sistema de enfriamiento para refrigeradores, Lonnie Johnson inventó sin quererlo el mecanismo de este emblemático juguete. Cuando era niño le encantaban los cohetes, los robots, todo tipo de inventos y, sobre todo, la creatividad. Gracias a su pasión y persistencia por resolver problemas, llegó a ser ingeniero y a trabajar para la NASA. Pero dio el gran salto a la fama cuando inventó la Súper Pistola ...

Who are the people of Cuba? Readers will probe this question through this lively book about the cultural traditions, festivals, music, art, dance, and food of this Caribbean island nation. Analyzing how the country's history has shaped the cultural identity of its people, this comprehensive text sheds light on the unique contributions Cubans have made. Readers also learn that it is the largest island and most populated country in the Caribbean. Each spread features stunning photographs, which make the information pop. This engaging take on curricular social studies concepts is sure to capture ...

A flexible suite of resources providing full coverage of the Cambridge IGCSE® Spanish as a Foreign Language syllabus (0530) for first examination in 2015. With a skills-based approach and an international focus, this coursebook with audio CD promotes a deeper understanding of the Spanish language and culture. Engaging texts, images and audio enhance the activities in the coursebook and help students develop language skills. Exam-style questions and clear learning objectives encourage self-assessment and support students through the Cambridge IGCSE® Spanish as a Foreign Language course.

A fierce ogre finds that children are becoming too smart for him to catch and eat. Instead, he passes his time writing arithmetic problems to challenge the children.