Arizona, el Estado del Gran Cañon

"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...

Read Along or Enhanced eBook: Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

Mujeres, mujeres, mujeres. Apenas estamos descubriendo cuántas científicas, pintoras, escritoras, activistas, cocineras y tantas otras mujeres se han quedado sin entrar en la Historia con H mayúscula a pesar de su talento, valor y dedicación. Todavía hay muchas historias por descubrir. El colectivo Cúmulo de Tesla, conformado por mujeres (y un hombre) provenientes de muchas disciplinas, narra en este libro las andanzas de 21 mujeres y grupos de mujeres. Cada una, desde el lugar que le tocó o el que escogió —el aula, la política, la cultura o el convento— dejó huellas indelebles. ...

In the last one hundred years, Earth’s average temperature has risen one full degree. That might not sound like much, but it affects Earth’s oceans, land, plants, and animals. Learn all about global warming, the carbon cycle, the greenhouse effect, and weather and climate with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. This nonfiction book introduces students to new concepts, vocabulary terms, and STEM topics. With detailed images and fascinating sidebars, the leveled text supports students reading at...