Christopher Golden Books

Predator and Prey Prowlers Book 3

By Nancy Holder

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The last vampire

By Nancy Holder, Christopher Pike

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Buffy Summers' adjustment to life at U.S. Sunnydale has not gone smoothly. She feels awkward, insecure, and a bit jealous that Willow's all over the college life. So when the spirit of deceased Sla...

King of the dead

By Nancy Holder

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Original Sins

By Nancy Holder

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The lost slayer

By Nancy Holder

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In her freshman year at U.C. Sunnydale, Buffy Summers is visited by a prophecy of impending danger and catapulted into an alternate future dimension where vampires run amok because of a mistake she...

Exterminators

By Nancy Holder

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Spike and Dru

By Nancy Holder

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Spike, determined to present his monster lover Drusilla with the legendary magical necklace Freya's Strand for her birthday, agrees to infiltrate the Watchers' Council and kill the current Slayer,...

Force majeure

By Nancy Holder

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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.