كتاب علم الشخصية

Personal psychology is a branch of psychology that examines personal and individual differences.
His focus areas include: building an integrated image of the individual and the key processes of his or her psychological situation investigating individual differences;
 How each person is a unique case investigating human nature;
How people are similar to each other that they both have personal psychology studying the behavioral aspects of the human being in general,
It examines the internal and external influences on it.