Mira Los Dos Lados

Life In America's First Settlements Was Dangerous. Wars Between Colonies, Native Tribes, Disease, And Food Shortages Made Survival A Challenge. Features Primary Sources, Historical Images, Chart, And Maps. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards

Now in Spanish—Who makes sure my suitcase gets on the right plane? This book is full of fascinating facts about everything from Halloween to braille to fire trucks.

Explains, in simple terms, the reasons for skin color, how it is determined by heredity, and how various environmental factors affect it.

Adrián Paenza presenta un nuevo libro con desafíos atrapantes y entretenidos dedicado a sus lectores más jóvenes, porque para la Matemática no hay edad.