Learn to greet people around the globe in this interactiveatlas of hellos. <br><p>With over 150 languages, flaps to reveal pronunciation andfact-files explaining how to write ¿hi¿ in hieroglyphs and how to sign ¿hao¿ inNative American hand talk. <i>Hello World</i>opens up a world of exploration and greetings at your fingertips.</p>