J. R. Johansson Books

Cut Me Free

By J. R. Johansson

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The row

By J. R. Johansson

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After visiting her father on death row for twelve years, seventeen-year-old Riley is determined to find out if he is guilty or not before he is either executed or retried and, perhaps, released.

Paranoia

By J. R. Johansson

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In the aftermath of the events that nearly killed him, Parker Chipp is trying to learn to cope better with life as a Watcher of dreams, and struggles to rescue his father and his town from another...

Mania

By J. R. Johansson

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Jack and his half-brother Parker have no time to mourn the loss of their father, Daniel Chipp. With an attack by the body-stealing Takers imminent, the pair must put aside their grief and track dow...

Cut Me Free

By J. R. Johansson

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Mania

By J. R. Johansson

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To the Bone

By J.R. Johansson

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Condenado a muerte

By Maria Victoria Boano, J. R. Johansson

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Loucura Vol.3 Trilogia Sonambulos

By J. R. Johansson

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Cut Me Free

By J. R. Johansson

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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.