Roger Powell Books

Since 1066 when William the Conqueror took the throne, English and Scottish kings have sired at least 150 children out of wedlock. Many were acknowledged at court and founded dynasties of their own...

Computing And Control For The Water Industry

By R Powell, Roger Powell

Average: 0.00, 0 Ratings

Synthesizer Technique

By Unknown, Tom Coster, Bob Moog, Keyboard Magazine, George Duke, Roger Powell

Average: 0.00, 0 Ratings

A group of resourceful kids start "solution-seekers.com," a website where "cybervisitors" can get answers to questions that trouble them. But when one questioner asks the true meaning of Christmas,...

Right Royal Bastards: The Fruits Of Passion

By Peter Beauclerk-Dewar, Peter De Vere Beauclerk-Dewar, Roger Powell, Peter Beauclerk-Dewar And Roger S. Powell, Foreword By HRH The Duke Of Gloucester

Average: 0.00, 0 Ratings

Since 1066 when William the Conqueror (alias William the Bastard) took the throne, English and Scottish kings have sired at least 150 children out of wedlock. Many were acknowledged at court and fo...

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.