¿Por qué hibernan los animales? (Why Animals Hibernate)

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

El valor y los sueños. Poemas escogidos (1970-2016) es una antología de la obra de Luis Alberto de Cuenca, pero no es una antología más. Tras una introducción general a su poesía, brinda al lector un completo recorrido de más de 150 poemas por los libros «oficiales» del poeta –teniendo en cuenta títulos habitualmente orillados como Los retratos o La mujer y el vampiro– y, además, añade una veintena de textos poco conocidos o inéditos, nunca recopilados en ninguno de sus libros al uso, y otra veintena de traducciones del poeta, tratando con ello de ofrecer la imagen más...

Esta antologâia para jâovenes y niänos contiene 64 poemas de 19 paâises, mezclando el trabajo de los poetas indâigenas de antes de la Conquista con lo de escritores actuales. Los textos reunidos van de la contemplaciâon de la naturaleza a los disparates,de la polâitica a la magia.

The environment you live in gives you what you need, but you have to really know what's around you. Through sight, hearing, and the other senses, you can understand what's going on outside your body. Lift the flaps in this visual guide full of curiosities and anecdotes, and discover how the body works from the outside!

The ability to work in teams, communicate effectively, and improve efficiency make for highly successful professionals. Written in easy-to-access language, this book aligns with the Core Curriculum requirement of teaching students how to develop research projects that are similar to those they might face in their careers. It also provides guidance on building and participating in teams, bolstering interpersonal skills, and developing assertiveness. This volume contains concrete, real-world examples of actions students can take now to help them attain their desired futures.