Horace Fletcher's 'Menticulture; or, the A-B-C of True Living' delves into the philosophy of self-improvement and personal development through the power of positive thinking. Written in a didactic style, the book offers practical advice on how to cultivate a healthy mindset and achieve inner peace. Fletcher's literary context can be traced back to the self-help movement in the late 19th century, where thinkers like Ralph Waldo Emerson and William James also explored the power of the mind in shaping one's reality.

Horace Fletcher, known as the 'Great Masticator,' was a pioneer in the mind-body connection and believed in the importance of mental discipline for overall well-being. His own struggles with personal growth likely inspired him to write this book, as he sought to share his insights with a wider audience. Fletcher's teachings emphasize the need for individuals to take control of their thoughts and emotions in order to lead a fulfilling life. Fletcher's timeless wisdom continues to resonate with modern audiences looking to cultivate a positive mindset and overcome obstacles in their lives.