This is a concise and reader-friendly introduction of Economics to engineering students who do not have prior knowledge of the subject. As engineers need to know economic tools to be able to apply them in their main field, i.e., engineering, the treatment of the book is very simple and takes care of syllabus which is being followed at the engineering programme of the various universities. Apart from introducing main branches of Economics, the book also discuss some advance topics such as forecasting, price determination under perfect competition and monopoly, decision making and linear programming.