This early booklet explains how to perform shadowgraphy.  It has embossed stamps and ink additions from its time in the library of The Magicians' Club. It also includes a potted biography of Trewey. 
 
Condition: Fair, has inkspots and other marks, some creasing, wear, creasing and rusted staples. 
 
Binding: Booklet
Year: c.1922
Publisher: Jordison and Co. 
Pages: 16
Dimensions (to nearest cm): 22 X 14cm