Graham Weaver Books

Profile of the International Valve Industry

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This revised and updated 3rd edition outlines the structure of the global industry and future trends, highlights issues facing the industrial valve industry, assesses market and technological trend...

Chemical Technology

By Graham Weaver

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Count on the Saint

By Graham Weaver, Leslie Charteris, Donne Avenell

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Electronic Materials

By Graham Weaver, Nicholas Braithwaite

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A- Z of the occult

By Graham Weaver

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Gunner s Glory

By Graham Weaver

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12 0 to the Arsenal

By Graham Weaver

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World fuel cells

By Graham Weaver

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Profile of the International Valve Industry

By Graham Weaver

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Energy in Chemical Reactions Prepared by Graham Weaver for the Technology Foundation Course Team and Chemical Processes Prepared by Roger Harrison and Graham Weaver for the Technology Foundation Course Team

By Graham Weaver

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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.