Juegos alrededor del mundo

Life without Principle se llamó originalmente What Shall it Profit, y fue una conferencia dictada por Thoreau el 6 de diciembre de 1854 en el Hall del Ferrocarril de Rhode Island. Posteriormente, dictó la conferencia cuatro veces más en Massachusetts durante 1855, y una vez más en Nueva Jersey al año siguiente. La versión que tradujimos fue editada por el mismo Thoreau para su publicación en formato impreso, que realizó Atlantic Monthly en 1863, donde recibió su título actual.

Children will love watching the universe unfold before their eyes in this four-meter foldout llustration of the solar system. They'll be able to discover a unique illustrated journey through space.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how debugging works in the real world. In this book, readers will find out why a magnet isn't sticking to a certain surface. This nonfiction title is paired with...

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.