This book contains a number of distinguished articles in psychology, in which the author discusses a selected group of different important topics, in a simplified style that can be understood by the non-specialist reader. The topics of these articles vary between mating from a biological and psychological perspective, in relation to humans and animals, and between sexual, social and psychological connotations. Then he touches on many other topics, such as: increasing the productive capacity of the blind, modern studies in social psychology in civilian and military circles, in addition to studies on industrial psychology, and other distinguished topics, which made this book a distinguished summary of modern psychology.