Paul Quarrie Books

Treasures of Eton College Library

By Paul Quarrie

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Leaving Portraits from Eton College

By Paul Quarrie

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Poems from Greek Antiquity

By Edited By Paul Quarrie

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A beautiful Pocket Poet selection of short poems, odes, and epigrams from ancient Greece, translated into English by a wide array of distinguished translators and poetsPoems from Greek Antiquity pr...

Poems from Greek Antiquity

By Paul Quarrie

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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.