Ray Spangenburg Books

Mercury
Mercury

By Ray Spangenburg

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Sun
Sun

By Ray Spangenburg

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Life on Other Worlds
Life on Other Worlds

By Ray Spangenburg

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Look at Jupiter
Look at Jupiter

By Ray Spangenburg

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Look at Saturn
Look at Saturn

By Ray Spangenburg

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Look at the Sun
Look at the Sun

By Ray Spangenburg

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Look at Venus
Look at Venus

By Ray Spangenburg

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Project Apollo
Project Apollo

By Ray Spangenburg

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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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