Ralph Sarchie Books

Beware the Night

By Ralph Sarchie

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Deliver Us from Evil

By Lisa Collier Cool, Ralph Sarchie

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Zbaw nas ode Zlego

By Sarchie Ralph Collier Cool Lisa

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Deliver us from evil

By Ralph Sarchie

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A veteran NYPD officer describes his work as an investigator into the supernatural, offering a close-up look at some of his most shocking cases, including malevolent spirits, an incubus, demonic po...

Beware the Night

By Lisa Collier Cool, Ralph Sarchie

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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.