Young Johnny Devlin falls in with Mr. Merlin who first sends him on adventures with various inventions, then sends him to Arthurian England (where Mr. Merlin is Merlin), and finally sends him to the future (where Mr. Merlin rules the world).

Variants

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  1. The Strange Inventor: A Curious Adventure Story by Mark Powell Hyde (Doubleday, Page, 1927).
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Mark Powell Hyde