¿Qué es la igualdad? (What Is Equality?)

Isabel de Alsasua se ve inmersa en una intriga politica tras la que se esconde una secta que quiere sembrar la destruccion. 1911 Europa es un polvorin a punto de estallar. En este clima de tension la inteligencia britanica descubre la existencia de una peligrosa secta, los kalikamaistas. Todos los agentes que intentan infiltrarse en ella mueren antes de descubrir la identidad de sus dirigentes, pero sus informes son preocupantes. La secta persigue regenerar la humanidad a traves de una purga y estan a punto de desarrollar un arma como el mundo jamas ha visto. Dos años despues, Isabel de...

In 1848, gold was discovered in California, attracting over 300,000 people from all over the world, some who struck it rich and many more who didn't. Hear the stories about the gold-seeking 'forty-niners!' With black-and-white illustrations and sixteen pages of photos, a nugget from history is brought to life!

Flag football is a fun sport that anyone can play. Read about flag football as you learn subtraction. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning subtraction easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides additional learning and practice opportunities. ...

A family wants to share a pizza, but who gets how much? And how do they know? The answer is mathematical equations! Mathematical equations can be applied to food measurement, the human body, and even outer space! Students will answer different questions on mathematical equations in the book Comenzó con una pizza (It Started With Pizza). Used in the classroom or at home, this Spanish text includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills while they are engaged in reading high-interest content.