Obrero de Construcción

Children explore the concepts of big and small in the world around them, from big round pancakes to tiny little seashells.

This guide gathers a selection of more than 500 species of vertebrate animals cataloged and arranged in colored illustration. It is an exhaustive and complete guide that provides precise information about each species, and that captures all the beauty and diversity of the vertebrate world in spectacular design and with enthralling visuals.

Provides an overview of the design, uses, weapons, and equipment of U.S. Air Force bombers. Written in English and Spanish.