Con la energía del Sol ebook

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

This book will open your eyes to a world full of beautiful images. It presents a journey through the history of art, from the very first artistic manifestations to the images we create today on our electronic devices. Based on the adult title, this edition for kids is explained through dialogue with inspiring simplicity and clarity.

Explains what mathematics is and how it feels to do math, and shows some basic mathematical concepts such as sorting and measuring.

The greatest thinkers of humanity at your fingertips, in minutes! If you thought you would never be able to understand the essential classic authors, you were wrong! With our "Summarized Classics" collection, you will understand the main ideas of the most important thinkers in a very short time and with little effort. The present volume covers the central axes of this discipline. Among them, the reader will find an analysis of the following: In addition to a summary of the essentials of the classic work Leviathan (1651), we offer the reader a description of the historical context in which...

Learn how to help others in your community. This exciting Spanish nonfiction book describes the many ways that volunteers make a difference, from cleaning up parks to helping in food banks. Perfect for young readers, the book includes a short fiction stor