Ray O Ryan Books

Journey to Juno
Journey to Juno

By Ray O Ryan

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The Prehistoric Planet
The Prehistoric Planet

By Ray O Ryan

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Zack and his father are invited to join the Nebulon Navigators as they set out to return a lost baby pterosaur to the Prehistoric Planet, where Zack sees animals and plants he had only read about i...

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Operation Twin Trouble
Return to Earth
Return to Earth

By Ray O Ryan, Jason Kraft

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Return to Earth
Return to Earth

By Ray O Ryan, Jason Kraft

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Galaxy Zack 3 pack
Galaxy Zack 3 pack

By Ray O Ryan

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Haunted Halloween
Haunted Halloween

By Ray O Ryan, Jason Kraft

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Cosmic Blackout
Cosmic Blackout

By Ray O Ryan

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Cosmic Blackout
Cosmic Blackout

By Ray O Ryan, Jason Kraft

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Science Fair Disaster
Science Fair Disaster

By Ray O Ryan, Jason Kraft

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If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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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