This volume is the third of nine reproducing Piaget's original works - they are also available as a boxed set.

His pathbreaking investigations and theories of cognitive development have set child psychology moving in entirely new directions. His bold speculations have provided the inspiration for the work of others.

Although this book contains frequent references to the two other volumes, which deal with the same three children and study the relationships between their mental activities, it nevertheless constitutes in itself an independent and complete ...

When first published in 1923, this classic work took the psychological world by storm. Piaget's views expressed in this book, have continued to influence the world of developmental psychology to this day.

"What is most impressive about this book is its intelligence, its sophistication, and its charm.

First Published in 1999. Routledge is an imprint of Taylor & Francis, an informa company.

This book was first published in 1969.

This classic examines the child's notions of reality and causality.

This is Volume XX of thirty-two in the Developmental Psychology series.