Tu mundo: Secretos de los supermercados: Multiplicación (Your World: Shopping Secrets: Multiplication)

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

Vida de Monseñor Álvaro del Portillo (1914-1994), primer sucesor de San Josemaría Escrivá. Este libro lo hemos escrito para ti. En él, te contamos detalles de la vida de don Álvaro del Portillo. Entregó su vida trabajando para extender el Opus Dei, Obra de Dios, en el mundo entero. Puedes colorear los dibujos al leerlo.

Humphrey Carpenter, autor entre otros libros de una biografia del poeta W.H. Auden, narra en esta obra la larga carrera de J.R.R. Tolkien desde las vicisitudes de una infancia dificil a los trabajos y obligaciones de la vida academica, como profesor en la Universidad de Oxford. Carpenter ha escrito esta primera biografia del creador de la Tierra Media, consultando documentos ineditos, y entrevistando a parientes y amigos.

Immigrants help make the United States a special place. Learn all about the history of immigration to the United States as you sharpen your data measurement skills! This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, sidebars, and math diagrams extend the learning experience and provide multiple...