Oof and Pib come from an ancient tribe. They know hardly any words - in fact they only know how to say their own names - but it doesn't stop them from being the best of friends and doing everything together . . . Until Oof starts inventing all sorts of NEW words, and Pib feels so jealous that he does something to threaten their friendship forever.Can Pib come up with a word of his own to make things right again? A funny and poignant tale about friendship, forgiveness, and the discovery of new words . . . including one that can be the hardest of all to say . . .