La carta de derechos

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

With life-like illustrations and simple text, books in this series introduce children to different dinosaurs and the unique characteristics. Children learn the features of each dinosaur, what they ate, and whether they were predator or prey to other dinosaurs. The books also introduce fossils and how they play a role in our knowledge of dinosaurs' existence.

Climb aboard for a journey into the world of trains! In this fascinating, Spanish-translated nonfiction title, readers learn about the history of trains, the different uses for them, and the different types and parts including freight cars, box cars, passenger cars, and the caboose. With detailed photos, informative text, and intriguing facts, this book will have readers delighted from cover to cover!

Surveys the life of the American statesman, lawmaker, writer of the Federalist Papers, and first secretary of treasury under George Washington.

Esta publicación recoge la reedición facsímil de la obra "Por el Júcar. Notas y apuntes de viaje", editada en 1907, por otro lado, un semblante del autor y su obra, así como un nuevo relato del viaje que hizo el profesor Soler, transcurridos cien años. Esta edición contribuye al reconocimiento de la figura de D. Eduardo Soler, en una faceta especialmente atractiva para la Geografía y la Historia. Fue un viajero ilustrado, apasionado excursionista docente, fiel cronista de la situación de los lugares descritos.