Chung Ling Soo (William Ellsworth Robinson). Who is the World’s Greatest Conjurer? Why, Chung Ling Soo! Birmingham: James Upton Ltd., ca. 1908. Soo’s portrait in chalk on a blackboard, a schoolboy beside it. Subtitled “Willie’s Opinion.” 30 x 20”. Linen backed. Minor restoration over-coloring to borders and a few spots in image, spotting in margins; B+. Scarce.