El día de Martin Luther King, Jr

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these feathered dinosaurs face to face: The Caudipteryx had feathered arms and a tail that looked like a pom-pom! The Sinovenator may have used colorful feathers to attract a mate! The Microraptor may have used its feathers to glide...

Mammals are a very diverse group. From whales and dolphins that give birth in the water to platypuses that lay eggs, these life cycles can often seem very different. However, they’re very similar. Readers learn the basic structure of the mammal life cycle through simple language and accompanying diagrams that show the cycle step by step. The main content offers a way for struggling readers to more easily learn an important science curriculum topic, but can also be a great review tool for any reader.

Se reúnen en este libro las experiencias de innovación, renovación y mejora de la docencia del derecho de los 44 autores que firman los 28 artículos que conforman la obra. Desde casi todas las especialidades del derecho y bajo una óptica exclusivamente aplicada, se presentan textos breves y concisos sobre experiencias de innovación y mejora, metodologías docentes, sistemas de evaluación, innovación e internacionalización, método del caso, prácticums y actuaciones institucionales en materia de mejora docente. Completando este elenco experimental, los textos introductorios plantean...

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.