Primeros Ejercicios de Calculo

Alina acaba de recibir una en la que se le comunica que, junto a un joven desconocido, es la heredera de un codiciado diamante, por el que hay gente dispuesta a matar. Para evitar que esta joya caiga en manos indebidas, Alina se verá obligada a vivir una vertiginosa aventura contrarreloj en la que descubrirá que algunas personas son como cierta clase de diamantes: oscuros en la superficie, pero capaces de brillar en su interior.

Vocabulary words depict interior and exterior domestic scenes such as a bedroom, a bathroom, living room, kitchen, garden, and a birthday party.

Discover 25 women who were trailblazers in science, technology, architecture, engineering, and more. Learn about some of the women who defied expectations and introduced the world to new ideas and creations big and small. Fully translated Spanish text.

This fantastic book for young readers explains how it all began--from what is in the universe and the solar system; what galaxies, stars, the sun, and the planets are; when the practice of astronomy began, what an astronaut is, and how they live in space. It serves as a fascinating and useful illustrated guide for kids.