How to Enjoy Your Life and Your Job" is a 1955 book by Dale Carnegie, a renowned American writer and lecturer on interpersonal skills and self-improvement. The book offers practical advice and strategies to find happiness and fulfilment in both professional and personal spheres by banishing worry and fatigue, developing a positive mental attitude, and fostering better relationships. The principles of enjoying life and achieving a healthy work-life balance are explored across various Wikipedia articles, including those on work-life balance, happiness at work, personal development, and quality of working life."