Wilhelm Gruber Books

Upside Down Reader
Upside Down Reader

By Wilhelm Gruber

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The upside-down reader
The upside-down reader

By Wilhelm Gruber

Average: 0.00, 0 Ratings

Sitting opposite Tina while she does her homework, her younger brother Tim learns to read right along with her, only he does it upside down.

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The upside-down reader
The upside-down reader

By Wilhelm Gruber

Average: 0.00, 0 Ratings

Sitting opposite Tina while she does her homework, her younger brother Tim learns to read right along with her, only he does it upside down.

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Lieber alter Zottel
Lieber alter Zottel

By Wilhelm Gruber

Average: 0.00, 0 Ratings

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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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