"The Silver Magnet: Fifty Years in a Mexican Silver Mine" by Grant Shepherd is a memoir published in 1938 by E. P. Dutton & Company. This book delves into the history of silver mining in Mexico, offering a unique perspective on the subject. Written in English and available in hardcover format, this first edition publication provides insight into the author's experiences in the industry, making it a valuable addition to any collection of books on collecting or history.