Title: Nikola Tesla Puzzle Collection, Author: Richard Wolfrik Galland
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Title: Solve It Like Sherlock: Test Your Powers of Reasoning Against Those of the World's Most Famous Detective, Author: Stewart Ross
Title: A Brief History of Puzzles: Baffling Brainteasers from the Sphinx to Sudoku, Author: William Hartston
Title: The Brainpower Bible, Author: Dan Moore