The Magic of Thinking Big (Bengali) by David J. Schwartz

This Self-Help classic by Dr. Schwartz, will help you to sell better, manage better, earn more money and most important of all, find greater happiness and peace of mind. The Magic of Thinking Big gives you workable methods and Dr. Schwartz presents a planned programme for living on a grand scale - in your job, family and social life. He proves that you need not have a formidable intellect or a great talent to be a giant among men but you do need the habit of thinking and acting big.