Kali Wallace Books

The memory trees

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Eight years after her sister Patience's tragic death on her family's remote apple orchard, Sorrow returns to the land, determined to find out what really happened the night Patience died and what o...

City of Islands

By Kali Wallace

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In a foggy archipelago called the City of Islands, twelve-year-old Mara has always been fascinated by the magic that drifts on the air as songs. But when her guardian, a bone-mage named Bindy, is k...

Clarkesworld Issue 79

By Benjanun Sriduangkaew, David Moles, Neil Clarke, Kij Johnson, Emily C. Skaftun, Robert Reed, Kali Wallace

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Clarkesworld Issue 99

By Jia Xia, M. Bennardo, Tom Crosshill, Dominica Phetteplace, Neil Clarke, Alastair Reynolds, Kali Wallace, Allen M. Steele

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Clarkesworld Issue 119

By Emily Devenport, Tobias S. Buckell, Karla Schmidt, Dale Bailey, Sean Bensinger, Neil Clarke, Madeline Ashby, Kali Wallace, Ryan Row

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Salvation Day

By Kali Wallace

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Dead Space

By Kali Wallace

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Nominated for the Philip K. Dick AwardAn investigator must solve a brutal murder on a claustrophobic space station in this tense science fiction thriller from the author of Salvation Day. Hester Ma...

Shallow Graves

By Kali Wallace

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Shallow Graves

By Kali Wallace

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Shallow Graves

By Kali Wallace

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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.