This uncommon magazine features an illustrated competition article challenging readers to guess how Dunninger would perform a buzz saw illusion. The cover also illustrates this trick. An interesting companion piece to Dunninger's Popular Magic series. 
 
Condition: Poor/fair, the spine has split and the covers have some creasing and tears. Covers are also discolored. Internal condition good with some small creases to page edges, occasional marks and some yellowing.
 
Binding: Paperback
Year: 1929
Publisher: Science and Invention
Pages: 95
Dimensions (to nearest cm): 30 X 22cm