David Hawdon Books

Oil prices in the 1990s

Average: 0.00, 0 Ratings

xviii, 127 p. : 23 cm

The Energy crisis ten years after

Average: 0.00, 0 Ratings

The Changing structure of the world oil industry

Average: 0.00, 0 Ratings

World Transport of Energy to 1995

By D. Hawdon

Average: 0.00, 0 Ratings

Prospects for the Oil Tanker Market.

By David Hawdon

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.