This updated edition asks you to pack your bags. We are on our way to South America! Learn about the world's longest mountain range on land, the tallest waterfall on Earth, and the largest rainforest in the world. Turn the pages of this book to find out: what popular product is made from the sap of the sapodilla tree, where the walled city of Machu Picchu is and who built it, what llamas, vicuñas, and alpacas have in common.