Nils Johnson-Shelton Books

Otherworld Chronicles: The Invisible Tower

Average: 0.00, 0 Ratings

A twelve-year-old boy learns that he is actually King Arthur brought back to life in the twenty-first century--and that the fate of the universe rests in his hands.

Endgame

By Nils Johnson Shelton, James Frey

Average: 0.00, 0 Ratings

Endgame

By James Frey

Average: 0.00, 0 Ratings

"Twelve teens who have prepared their entire lives for an ancient life-or-death game must finally come to terms with its arrival, forming tenuous alliances and killing each other for the chance to...

In New York, Aisling Kopp believes the unthinkable: that Endgame can be stopped. Kingdom of Aksum, Ethiopia. Hilal ibn Isa al-Salt narrowly survived an attack that leaves him horribly disfigured--b...

Endgame

By Nils Johnson Shelton, James Frey

Average: 0.00, 0 Ratings

Endgame

By Nils Johnson Shelton, James Frey

Average: 0.00, 0 Ratings

Endgame The Complete Training Diaries Volumes 1 2 and 3 Endgame The Training Diaries

By James Frey

Average: 0.00, 0 Ratings

Endgame: Sky Key

By Nils Johnson Shelton, James Frey

Average: 0.00, 0 Ratings

Endgame

By Nils Johnson Shelton, James Frey

Average: 0.00, 0 Ratings

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.