My mum's birthday

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...

Today’s computers come in all shapes and sizes, but not many people actually know how they’re made. The journey from circuits and wires to a ready-to-use computer is a fascinating exploration of science and engineering. Readers get a look inside their laptops, desktops, and even their tablets as they’re shown step-by-step how these electronic marvels are assembled. Readers will love knowing what goes on inside their own machines, and color photographs and simple instructions will show them how they can build their own computer!

Discusses the physical characteristics, feeding and mating behavior, interaction with humans, and habitat of whales.

De lo idílico (sin por ello implicar forzosamente lo falso), a lo real crudo, de la alegría a la amargura, pasando por la resignación, el desencanto, la ironía cáustica, pero también la comprensión capaz de anular el maniqueísmo del bueno y del malo. Teniendo en cuenta la condición imprescindible de tema tan universal y constante como es el amor, conforme la propia literatura ejemplifica desde siempre, resulta de veras gratificante también considerar la multiplicidad de perspectivas con la que estos autores contemplan y elaboran una materia literaria cuya importancia radica...