The first idea : how symbols, language, and intelligence evolved from our early primate ancestors to modern humans / Stanley I. Greenspan, Stuart G. Shanker.

Origin of symbols
Intellectual growth and transformations of emotions during the course of life
The early stages of emotional regulation, engagement, and signaling : nonhuman primates and the earliest hominids
Problem-solving collaborations : chimpanzees and early humans
Symbols, words, and ideas : Archaic H. sapiens and early moderns
Representation and the beginning of logic Homo sapiens sapiens
The engine of evolution
The origins of language
The role of emotions in language development
Emotions and the development of intelligence
How emotional signaling links emotion and cognition and the brain's subsymbolic and symbolic cortical systems : implications for neuroscience and Piaget's cognitive psychology
Emotional development derailed : pathways to and from autism
The developmental levels of groups, societies, and cultures
A new history of history
Towards a psychology of global interdependency.