John Nevil Maskelyne's 'Sharps and Flats' delves into the world of gambling in the late 19th century, examining the methods used by both cheats and honest players. Written in a witty and engaging style, the book not only provides a fascinating look at the techniques employed in games of chance, but also serves as a critique of the moral ambiguity surrounding gambling during that time period. Maskelyne's work stands out for its detailed descriptions of card tricks, dice manipulation, and other fraudulent practices, making it a valuable resource for anyone interested in the history of gambling. As a magician and inventor himself, Maskelyne brings a unique perspective to the subject matter, offering insights that go beyond traditional academic studies of the topic. 'Sharps and Flats' is a must-read for those looking to uncover the secrets behind gambling scams and the psychology of deception.