Frank Longo Books

Ninja Assassin Sudoku
Ninja Assassin Sudoku

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Ninja Assassin Sudoku Green Belt
Ninja Assassin Sudoku Green Belt

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Ninja Assassin Sudoku Brown Belt
Ninja Assassin Sudoku Brown Belt

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Sleigh Bell Sudoku
Sleigh Bell Sudoku

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Ninja Assassin Sudoku Black Belt
Ninja Assassin Sudoku Black Belt

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Sudoku Dojo
Sudoku Dojo

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Sit Solve Nosweat Sudoku
Sit Solve Nosweat Sudoku

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Debonair Portable Sudoku
Debonair Portable Sudoku

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Blanketyblank Scrabble Crosswords
Blanketyblank Scrabble Crosswords

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The Nastiest Sudoku Book Ever
The Nastiest Sudoku Book Ever

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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