Apatosaurus was one of the largest animals to live on land. This dinosaur had a neck more than 17 feet (5 meters) long. It used its long neck to eat leaves from tree branches. Learn more about this remarkable reptile in Apatosaurus. Each World Languages title includes access to ten eBooks in ten languages! Our language toggle bar allows you to easily switch between English, Arabic, French, German, Hindi, Korean, Mandarin, Russian, Spanish, and Tagalog with a simple click. The full audio feature allows readers to listen to the text in their own language as they flip through the book. World Languages works on all platforms, including standard desktops, tablets, and SMART Boards.