Keeping Fit is a self-help book written by Orison Swett Marden, which provides readers with practical tips and advice on how to maintain a healthy lifestyle. The book is divided into several chapters, each of which covers a different aspect of physical fitness, such as exercise, diet, sleep, and stress management. Marden's writing style is straightforward and easy to understand, making the book accessible to readers of all ages and fitness levels. He emphasizes the importance of regular exercise and offers a variety of workout routines that can be done at home or in a gym. He also provides tips on how to make healthy food choices, such as eating more fruits and vegetables and avoiding processed foods.In addition to physical health, Marden also addresses the importance of mental and emotional health. He discusses the negative effects of stress and offers strategies for managing it, such as meditation and deep breathing exercises. He also encourages readers to cultivate positive relation