This book compares the beginning of symbolic thought in human infancy with that of our close primate relatives, the chimpanzees. The author investigates the precursors of symbolism by studying the actions and interactions of a small group of these intelligent, non-human primates who live in Singapore Zoo.Drawing upon his years of detailed observations, Matthews offers an in-depth analysis and interpretation of chimp behaviour to present an unprecedented account of the beginnings of symbolic thought. The book shows that the actions the chimpanzees perform have structural and se