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Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Enseña a los jóvenes a través de los mensajes que los hombres más sabios del mundo han dedicado a la juventud a disfrutar plena y responsablemente de lo que otorga la naturaleza.

Very young children can get to know garden animals with this velvet-covered cloth book with interior flaps. The little fish and the frog from the bond, the bee in search of flowers, and little birds will join them in their first discoveries.

A Swedish engineer arrives in Tenerife on a business trip. But it is Carnival time. Ullman soon learns that, during Carnival, one had better join the celebration.