Len's Star Rating: 10 out of 10. An exceptional book on the principles and practices of highly successful companies and their leaders.

Len's Star Rating: 10 out of 10. A superb translation of Rorschach’s original text, Psychodiagnostics.

Len's Star Rating: 3 out of 10. A book on transactional analysis that is most useful as a historical reference.

Len's Star Rating: 8 out of 10. A thought-provoking and hope-inspiring book on how transactional analysis approaches can improve life and relationships.