Bøger af Karen Maserjian Shan

"Whether on the ground, in the air, or across the water, transportation workers make it possible for people and goods to travel efficiently. Bus drivers, airline pilots, locomotive engineers, and ship captains help people get from place to place. They deliver supplies to places in need. Other workers help guide vehicles and prevent accidents. [This book] explores a wide variety of careers in the field, covering the education and skills needed for each job"--