C.S. Friedman Books

Wings of wrath

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In a cloak-and-dagger world of survival, Kamela, witch turned immortal Magister, flees north in a desperate attempt to uncover the truth about how the mysterious Souleaters were once defeated--a tr...

Legacy of kings

By C. S. Friedman

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The young peasant woman Kamala has proven strong and determined enough to claim the most powerful Magister sorcery for herself-but now the Magisters hunt her for killing one of their own. Her only...

Dreamwalker

By C. S. Friedman

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All her life Jessica Drake has dreamed of other worlds, some of them similar to her own, others disturbingly alien. She never shares the details with anyone, save her younger brother Tommy, a compu...

Dreamseeker

By C. S. Friedman

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When Jessica Drake learns that her DNA doesn't match that of her parents, she has no idea that the search for her heritage will put her family's lives in danger, or force her to cross into another...

Dreamweaver

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Dreamwalker

By C.S. Friedman

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The first book in the action-filled urban fantasy Dreamwalker trilogy follows Jessica Drake as she navigates the dangerous landscape of distant worlds and dimensionsAll her life Jessica Drake has d...

This Virtual Night

By C.S. Friedman

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Now in paperback, returning to the universe of New York Times Notable book This Alien Shore comes a new space opera from an acknowledged master of science fiction.When deep-spac...

Dreamseeker Dreamwalker

By C.S. Friedman

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Dreamweaver

By C.S. Friedman

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The final book in the action-filled urban fantasy Dreamwalker trilogy follows Jessica Drake as she navigates the dangerous landscape of distant worlds and dimensionsWhen Jessica Drake learned that...

In Conquest Born

By C. S. Friedman

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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.