Algoritmos: la base de la programación de computadoras (Algorithms: The Building Blocks of Computer Programming)

Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.

P. is a professional philosopher whose Parliamentary seat allows him to observe real-life politics after having spent so much of his life studying its theory, but he soon realizes that the realpolitik hardly corresponds to his preconceived notions of politics. His only ally in negotiating this disheartening conundrum is his alter ego, the ghost, with whom he spends the duration of this book discussing the tensions and maladjustments brought about by this contrast. P. es un filósofo de profesión cuya obtención de un escaño en el Parlamento le permite observar en persona cómo es en la...

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

Guatemala is an important neighbor to the United States. Readers will discover how Guatemala and the US are alike and how they differ as they read about the land and people, animals and celebrations. Hello, neighbor!

El chocolate es una golosina sabrosa. ¿Pero sabías que el chocolate viene de una vaina de cacao que crece en un árbol? Sigue cada paso del proceso para descubrir cómo una vaina de cacao se transforma en chocolate. Chocolate is a tasty treat. But did you know that chocolate starts as a bean growing on a tree? Follow each step in the process to discover how a bean becomes chocolate. Now in Spanish!