Nancy Holzner Books

Firestorm A Deadtown Novel

By Nancy Holzner

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Firestorm

By Nancy Holzner

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They call it Deadtown: Boston's quarantined section for its inhuman and undead residents. Most humans stay far from its borders--but Victory Vaughn, the city's only professional demon slayer, isn't...

Portals

By James Enge, Nancy Holzner, Gini Koch, Violette Malan, Jacey Bedford, Esther M. Friesner, Jaime Lee Moyer, Ian Tregillis

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Apocalyptic

By Jason Palmatier, James Enge, Nancy Holzner, Stephen Blackmoore, Joshua Palmatier, Seanan McGuire, Violette Malan, S.C. Butler, Tanya Huff, Blake Jessop

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When Worlds Collide

By Steven Harper, Auston Habershaw, Nancy Holzner, Stephen Leigh, Joshua Palmatier, Violette Malan, S.C. Butler, Esther M. Friesner, Howard Andrew Jones, Alan Smale

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Deadtown

By Nancy Holzner

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First in a brand new urban fantasy series that's "fresh and funny, with a great new take on zombies" (Karen Chance) and "full of dangerous magic and populated with characters so realistic, they alm...

Darklands

By Nancy Holzner

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They call it Deadtown: the city’s quarantined section for its inhuman and undead residents. Most humans stay far from its border—but Victory Vaughn, Boston’s only professional dem...

Portals

By James Enge, Nancy Holzner, Jaime Moyer, Gini Koch, Violette Malan, Jacey Bedford, Esther M. Friesner, Ian Tregillis

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Apocalyptic

By James Enge, Nancy Holzner, Stephen Blackmoore, Joshua Palmatier, S. C. Butler

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Peace Love and Murder

By Nancy Holzner

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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.