Sue Savage-Rumbaugh's work on the language capabilities of the Bonobo Kanzi has intrigued the world bacause of its far-reaching implications for understanding the evolution of the human language. This book takes the reader behind the scences of the filmed language tests. It argues that while the tests prove that Kanzi has language, the even more remarkable manner in which he originally acquired it - spontaneously, in a re-thinking of language, emphasizing its primal cultural dimensions.