La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

El texto que el lector tiene en sus manos está dotado de una gran carga religiosa polémica pero conteniendo asimismo uno de los relatos más famosos e impactantes de conversión al islam del Mediterráneo occidental. Es un texto agresivo, pero también un texto espiritual. No es una mera obra justificativa de una conversión (¿por qué justificarse al cabo de tantos años?), sino la narración del tránsito de un espíritu, hecha desde los últimos pasos de la vida. El Turmeda escritor de éxito en catalán deja paso al Abd Allâh at-Tarchumân, hombre de éxito en Túnez, para recapitular ...

Snow falls when it is cold. Find out all the different ways snow can fall during cold weather. Paired to the fiction title Building a Snowman.

How do you truly engage students in learning history? When students make personal connections to the subject, they're much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Introduce students to California's early settlers including John Bidwell, Jim Beckwourth, Jedediah Smith, Sarah Royce, Charley Parkhurst, Kit Carson, the Donner party, and more. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need ...

A giant, spinning storm forms over the ocean. People living on the coast start to flee inland for safety. Once the storm makes landfall, heavy rains and fast-moving winds knock down trees and destroy homes. In this captivating introduction to hurricanes, early readers will be swept up in the dramatic text that describes the first signs of a hurricane, its destructive power, and, most importantly, how to stay safe from a hurricane’s devastating winds and rains. Each 24-page book features controlled text with age-appropriate vocabulary and simple sentence construction. Stunning photos closely ...