According to Jill Dann Emotional intelligence is describes as an ability, capacity or skill to perceive, assess and manage the emotions of one's self, of others and of the groups. The writer highlights EI as essential skill for happy life at home and at work .The capacity of interacting with others depends on degree of our emotions intelligence.We can sloves any conflict or win any negotiations if we can manage our emotions.The books explores all techniques to improve emotional intelligence. It's like manuel guide.