Los ciclos de la Tierra (Earth's Cycles)

This Book Explains The Water Cycle And How Water Is Used To Generate Many Forms Of Electricity. It Introduces Students To The Importance Of Keeping Our Water Supplies Clean. Has Detailed Information About The Effects Water Has On Different Formations On Our Earth. From Weathering To Landslides, It Can All Be Found In This Title.

Granpa has given Frederick a gift: a sealed box. It talks and contains all the knowledge of the world. This is the story of Frederick and his box, and many information about nature and ecology. For children 9 and up.

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 Genetic Psychology Studies (1973) and Structuralism (1968), among others. It includes a glossary.

La vida de san Francisco de Asís es notablemente diferente de las vidas de los santos al uso. Álvaro Pombo, en simpatía con la antigua tradición franciscana, elige en este libro un estilo correspondiente al gran sobresalto intelectual y afectivo que produce el biografiado. Adopta, por eso, el punto de vista y la voz o voces de los primeros hermanos que acompañaron a Francisco. Con una notable mezcla de atrevimiento, seriedad y simpatía profunda, Álvaro Pombo se convierte, al mismo tiempo, en la voz plural, brillante y humilde de aquella primera comunidad franciscana, una docena mal...