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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...

Addresses questions kids often wonder about, where there is usually no simple answer, offering different theories and opinions with examples and comparisons.

La democracia tiene que ver con todos, incluyendo a los niños. La democracia nos permite, por medio del diálogo, la participación y el voto para que todos podamos vivir en armonía. Con este libro podremos fomentar una educación que promueva en los niños el ejercicio responsable de su libertad, el desarrollo de su autonomía moral y la solidaridad y preocupación por el bienestar colectivo a través de la participación democrática. Democracy has to do with everyone, including children. Democracy allows us, through dialogue, participation and vote so that we can all live in harmony....

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...