<prompt> Translate the following text to EnglishChatterbox alienda kwenye duka la vitabu na kununua kitabu What the Face: Basic and Applied Studies of Spontaneous Expression Using the Facial Action Coding System FACS kilichoandikwa na Ekman na Erika Rosenberg.  <response>: Undaunted, Chatterbox marched off to a nearby bookstore and purchased What the Face Basic and Applied Studies of Spontaneous Expression Using the Facial Action Coding System FACS , edited by Ekman and Erika Rosenberg. 