Un poema para mis abuelos

No town or city could be built if the builders didn't understand the concepts of perimeter and area. Students will use perimeter and area to build towns and cities and design homes and parks in the book, Pueblos y ciudades (Towns and Cities). At home or in the classroom, this nonfiction book will engage students in learning measurement and geometry, and how to grid patterns, through fun practice problems and diagrams.

This magnificent book uses beautiful photography to help young children understand why some oceans are warm and some are cold, which kinds of plants and animals live in oceans, and how the bodies of ocean animals are built to help them glide through water. Children will be delighted by the images of seals, penguins, polar bears, dolphins, and more.

Presents pairs of photographs of similar items, including a hot dog and an ice cream cone, and the sun and the sea, to introduce the difference between hot and cold.

El maravilloso libro sobre la vida, el universo y casi todo lo demás. Con ilustraciones a todo color y repleto de dinosaurios, terremotos, átomos y muchas cosas más, este libro es una adaptación del best seller mundial Una breve historia de casi todo, de Bill Bryson. Alguna vez te has preguntado... ¿Qué les pasó a los dinosaurios? ¿Cómo de grande es el universo? ¿Cuánto pesa la Tierra? ¿Por qué los océanos son salados? ¿Sabías que cada uno de los átomos que forma tu organismo seguramente que, antes de formar parte de ti, ha pasado por varias estrellas y formado parte de...