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Kellar's Wonder Book
was a booklet that Kellar published for his audiences. It is full of magic tricks, games, optical illusions, stunts, and other useful knowledge such as how to turn a pocket knife into a compass or how to draw a spiral.
1st edition 1903, 1st digital edition 2013, 54 pages.
word count: 8729 which is equivalent to 34 standard pages of text