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The Earth is made up of shapes. The shapes make up landforms. Find out about all of Earth’s landforms. Paired to the fiction title A Long Car Ride.

Different types of birds eat different things to live. Some birds eat worms. Some eat fish. Find out what different birds need to eat to live. Paired to the fiction title Hungry For Worms.

It takes different parts to build a house. The floor is built first. Walls need to be added next. Windows and doors, too. Learn about the steps it takes to build a house. Paired to the fiction title We Have a Box.

The first Thanksgiving was a celebration. The pilgrims were thankful for the harvest they planted. Find out what the pilgrims ate for the first Thanksgiving. Paired to the fiction title A Year of Fun.

He aquí una excelente colección de las denominadas “frases y citas célebres”, supuestas o no, pronunciadas en la más diversas épocas y países según la tradición, por personajes en general importantes (de aquí el epíteto aplicado a las frases y citas) como emperadores, reyes, escritores y artistas. Al no existir la tecnología actual han sido conservadas desde hace mucho tiempo por tradición oral y escrita en documentos antiguos. Es imposible aseverar la autenticidad de todas, pero como dice el refrán italiano: “si no son ciertas, están bien encontradas”.

Have you ever seen a skyscraper that is shaped like an elephant? How about one that looks like waves? Students will learn how to measure area while engaged in reading about the world's coolest skyscrapers! This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...

Y por fin se hizo de noche en nuestra pequeña ciudad. Sus habitantes, también los animales, duermen plácidamente... Aunque no todos, ¡la gran mayoría vive aventuras apasionantes! Hay quien va como todos los años a la Noche de Libros, otros persiguen a un ladrón en medio de la oscuridad o simplemente disfrutan de la fiesta que se celebra en el parque. Rotraut Susanne Berner nos cuenta con sus dibujos todo lo que puede pasar en una pequeña ciudad durante una noche de verano cálida y serena, mientras los murciélagos revolotean en silencio y presenciamos apresuradas correrías nocturnas ...

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...