John Poynter Books

Mr Felton s bequests

By J. R. Poynter

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The audacious adventures of Dr Louis Laurence Smith

By J. R. Poynter

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"L. L. Smith, medico, writer, publisher, politician, litigant, showman, speculator, collector, vigneron, farmer, breeder and rider of racehorses, guiding hand for thirty years of Melbourne's great...

Miegunyah

By Benjamin Thomas, John Poynter

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The tarnished swan: and other sardonic Pieces

By John Poynter

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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.