The Juggler's Oracle; or, The Whole Art of Legerdemain Laid Open
 Consisting of all the newest and most surprising tricks and experiments with cards, cups and balls, conveyance of money and rings, boxes, fire, strings and knots; with many curious experiments by optical illusion, chymical changes, and magical cards, &c.

by H. (Herman) Boaz

"The Juggler's Oracle; or, The Whole Art of Legerdemain Laid Open" by H. Boaz is a comprehensive guide to the art of sleight of hand and magic tricks written in the early 19th century. The work details numerous tricks and experiments that can be performed using cards, coins, and various props, illustrating the techniques behind these entertaining deceptions. The opening of the book introduces readers to the fundamental principles of legerdemain, emphasizing the importance of skill, practice, and performance style for the conjurer. It educates aspiring magicians on the qualities needed to engage audiences effectively and cleverly distract them during performances. The text also begins to outline specific card tricks, highlighting methods for executing illusions that amuse and astound spectators, while underscoring the intricate mechanics underlying each trick showcased in subsequent chapters.