How Things Work. Then And Now Julia Wall es un recurso valioso para

es un recurso valioso para aulas bilingües que explora la empatía

avoiding the black smoke of motorcycles

autor de éxitos de ventas del New York Times

es un tierno libro ilustrado que sigue a Martina

es un libro de no ficción en español que ofrece una visión clara y atractiva de la crisis mundial de la contaminación por plástico

How Things Work. Then And Now Julia Wall es un recurso valioso paraLook inside, take it apart, turn it over, and figure out how things work! Quippy descriptions, full color diagrams, and brilliant photographs make even the most intimidating subjects completely accessible and totally fun! (We're looking at you, space robots.) For every explanation, we touch on basic principles and then dive deeper. Just want to know what terraforming is? We've got you covered. Want to know how to terraform, say, Mars? We'll explain