Christopher Buehlman Books

A man must confront a terrifying evil in this captivating horror novel that’s “as much F. Scott Fitzgerald as Dean Koontz.”*Haunted by memories of the Great War, failed academic Frank Nichols and h...

The Lesser Dead

By Christopher Buehlman

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Christopher Buehlman’s Those Across the River delivered “an unsettling brew of growing menace spiked with flashes of genuine terror.”* Now, the World Fantasy Award-nominated author stakes a bloody...

Those across the river

By Christopher Buehlman

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Lesser Dead

By Christopher Buehlman

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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.