Amy Kathleen Ryan Books

Glow

By Amy Kathleen Ryan

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Shadow Falls

By Amy Kathleen Ryan

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After the death of her beloved older brother, fifteen-year-old Anna is forced to spend the summer with her grandfather in Wyoming, where she babysits for a traumatized young boy, learns secrets of...

Shadow falls

By Amy Kathleen Ryan

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After the death of her beloved older brother, fifteen-year-old Anna is forced to spend the summer with her grandfather in Wyoming, where she babysits for a traumatized young boy, learns secrets of...

Vibes

By Amy Kathleen Ryan

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Kristi, a sophomore in an alternative high school, is aware that nearly everyone dislikes her--even those obsessed by her large breasts--but begins to doubt her psychic insights after learning long...

Vibes

By Amy Kathleen Ryan

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Humorously explores the mind of a teenager grappling with issues of self-esteem, creativity, and self-worth.

Flame Book Three of the Sky Chasers

By Amy Kathleen Ryan

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Spark

By Amy Kathleen Ryan

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Glow

By Amy Kathleen Ryan

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Spark

By Amy Kathleen Ryan

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Spark

By Amy Kathleen Ryan

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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.