Fred Newman, who trained in the philosophy of science, teaches at the East Side Institute for Short Term Psychotherapy in New York. Lois Holzman, a developmental psychologist, also teaches at the East Side Institute for Short Term Psychotherapy, and at Empire State College, New York.

• Introduction; Chapter 1 Vygotsky and psychology; Chapter 2 The laboratory as methodology; Chapter 3 Practice; Chapter 4 The zone of proximal development; Chapter 5 Playing in/with the ZPD; Chapter 6 Reform and revolution in the study of thinking and speech; Chapter 7 Completing the historical Vygotsky; Chapter 8 Logic and psychotherapy;