Clay Jacobsen Books

Een footballcoach op een middelbare school krijgt kans op tien miljoen dollar als hij de ultieme uitdaging aangaat voor het gelijknamige tv-programma, maar er blijkt veel meer op het spel te staan...

Authentic Relationships

By Wayne Jacobsen, Clay Jacobsen

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The Ultimate Reality Show

By Clay Jacobsen

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"Jack Forrest is offered a chance to compete for 10 million dollars on a remote island; however he already has enough drama in his life: a budding romance with Principal Kathryn Williams -- his bos...

Circle of Seven

By Clay Jacobsen

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Machtswoord

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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.