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By the Author

The Puzzling Adventures of Sherlock Holmes

The Puzzling Adventures of Sherlock Holmes

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The National Gallery Masters of Art Puzzle Book

The National Gallery Masters of Art Puzzle Book

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Mensa’s Most Difficult Pattern Puzzles

Mensa’s Most Difficult Pattern Puzzles

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Sherlock Holmes Mind Palace Puzzles

Sherlock Holmes Mind Palace Puzzles

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The Science Fiction Puzzle Book

The Science Fiction Puzzle Book

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Calming Crosswords

Calming Crosswords

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Killer Sudoku

Killer Sudoku

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The Ripper Case Files

The Ripper Case Files

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The Sensational Houdini’s Puzzle Safe

The Sensational Houdini’s Puzzle Safe

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The Sherlock Holmes Case Book

The Sherlock Holmes Case Book

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KGB Killer Puzzles Dossier

KGB Killer Puzzles Dossier

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Earth View: Extraordinary Images from the Landsat NASA/USGS

Earth View: Extraordinary Images from the Landsat NASA/USGS

See the world as you've never seen it before with this collection of over 200 high-definition satellite photos of our planet.Using images from NASA's Landsat…

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Modern Puzzles

Modern Puzzles

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The Sherlock Holmes Puzzle Card Challenge

The Sherlock Holmes Puzzle Card Challenge

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The Sherlock Holmes Complete Puzzle Collection

The Sherlock Holmes Complete Puzzle Collection

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Sherlock Holmes’ Cunning Puzzles

Sherlock Holmes’ Cunning Puzzles

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Sherlock Holmes’ Rudimentary Puzzles

Sherlock Holmes’ Rudimentary Puzzles

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The Riddle of the Sphinx

The Riddle of the Sphinx

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Sherlock Holmes’ Fiendish Puzzles

Sherlock Holmes’ Fiendish Puzzles

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The Sherlock Holmes Puzzle Collection – The Lost Cases

The Sherlock Holmes Puzzle Collection – The Lost Cases

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Knights of the Round Table Puzzle Quest

Knights of the Round Table Puzzle Quest

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The Sherlock Holmes Puzzle Case

The Sherlock Holmes Puzzle Case

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Extreme Spot-the-Difference: Cities

Extreme Spot-the-Difference: Cities

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Sherlock Holmes’ Elementary Puzzles

Sherlock Holmes’ Elementary Puzzles

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Brain Fitness Boot Camp – Mind Field

Brain Fitness Boot Camp – Mind Field

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The Sherlock Holmes Puzzle Collection

The Sherlock Holmes Puzzle Collection

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The Great Global Treasure Hunt on Google Earth

The Great Global Treasure Hunt on Google Earth

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Something for Nothing on the Net

Something for Nothing on the Net

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