Includes index.

Let's chitchat -- Speak up! -- Language is... -- How language came to be -- Talking in (genetic) code -- Language families -- The sky is...black -- Language extinction -- Languages in danger -- Saving languages -- How languages morph -- Where do words come from? -- Out with the old... -- ...and in with the new -- Slanguistics -- Invented languages -- Written language -- Which alphabet? -- Unspoken languages -- The last word -- Answers -- Glossary.