John Kollock Books

The Best Friend

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Relates how the South Carolina Canal and Railroad Company was founded in 1827 to bring commerce to declining Charleston, South Carolina, by means of the longest railroad in the world.

Meg's world.

By John Kollock

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Details the daily events in the life of a four-year-old, including dressing up, helping mother clean, and having tea parties.

Meg's world.

By John Kollock

Average: 0.00, 0 Ratings

Details the daily events in the life of a four-year-old, including dressing up, helping mother clean, and having tea parties.

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.