Trevor John Books

The Warwickshire Hundred Rolls Of 1279-80: Stoneleigh And Kineton Hundreds

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Though known to historians for some years, the 1279-80 Hundred Rolls of Stoneleigh and Kineton, Warwickshire have never been published. This volume makes accessible an important source for social,...

The River'S Revenge

By Trevor John, Trevor John

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Sailing To Success : Fremantle'S Yachting Heritage And The History Of Fremantle Sailing Club

By Sutcliffe, Trevor John, Trevor Sutcliffe

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East And West At The Time Of The Crusades

By Trevor John

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Blood And Bandages: A History Of The University Of Newcastle Sports Union

By University Of Newcastle (N.S.W.). Sports Union, Trevor John, Bob James

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Written By Bob James ; Edited By Trevor John. Cataloguing-in-publication. At Head Of Title: Sports Union. Includes Bibliographical References (p. 164-172) And Index.

Mediaeval Coventry : A City Divided?

By Trevor John

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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.