In "Sharps and Flats," John Nevil Maskelyne delves into the intricate world of deception, specifically focusing on the art of magic and its intersection with sleight of hand and misdirection. Written in a clear, engaging style that combines both wit and a scholarly approach, Maskelyne enhances the discourse on performance magic within the context of late Victorian society. The book not only serves as a manual for aspiring magicians but also critiques the societal fascination with illusion, challenging readers to discern the fine line between deception and skillful entertainment. John Nevil Maskelyne, a prominent magician and inventor of the late 19th century, crafted "Sharps and Flats" drawing upon his extensive experience in the field. His upbringing in a family of showmen and his later collaborations with fellow magicians laid a strong foundation for his understanding of the nuances involved in performance art. Maskelyne's insights into the psychology of audiences, honed by years of public performances, are evident throughout the text, revealing the mind behind the magic. Highly recommended for both enthusiasts of magic and scholars of performance art, "Sharps and Flats" provides a rich exploration of stagecraft and illusion. Readers will appreciate Maskelyne's blend of technical instruction and philosophical musings, making it a seminal work that transcends mere entertainment, enriching our understanding of human perception and creativity.