Cómo funcionan las ruedas y los ejes

¿Qué es una forma en música? ¿Es indispensable que una obra musical tenga una forma y una estructura? ¿Qué son el aire cortesano, el anthem, el aria, la balada, el ballet, la canción polifónca, el coro o el concierto? Esta guía cubre la ausencia que ha habido durante varias décadas del siglo XX de una síntesis de las formas de la música. Permite adquirir un conocimiento básico sobre una forma y su evolución, sin necesidad de dedicarse a la compilación de obras muy dispares, historias de la música, tratados sobre composición, etc. Asimismo, el autor analiza de forma...

Emergency vehicles are there when people need help. Sometimes we need help when we are sick or there is a fire, or even when our car is not working. Let's explore the different vehicles that come to help! The Mi Mundo (My World) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.

The moon people use a cloud bridge to travel to the Earth, a messy but beautiful world of incredible variety that becomes their new home.

Learn all about the amazing things your brain does and how to keep it healthy and strong! Readers will discover the anatomy of the brain including neurons, the cerebellum, and the nervous system. Using vibrant images and informational text in conjunction with supportive diagrams, this Spanish-translated nonfiction title encourages readers to learn all about (and use) their brains.