This book is dedicated to the Transactional Analysis by Petruska Clarkson, to her discoveries, to her later integrations and to the new debates with particular attention to the concept of Physis. The vital driving which allows to grow up, to change and to evolve. …

In the first part of the book nella prima parte la Physis vista attraverso i contributi di esponenti AT italiani In the first part of the book Physis in TA, integrations and debates considered through the contributions by Italians TA authors.

the book concentrates on Discovering Petruska: nella seconda parte: Riscoprendo Petruska 3 suoi articoli che riguardano i bambini e lo Stato dell’Io B In the second part the book concentrates on Discovering Petruska: 3 articles by herself concerning children and the Child ego state.