Julian Patrick Books

501 great writers

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'501 Great Writers' is a one-stop guide to the men and women who have written the greatest books of all time, from classic fiction to science ficton, and from cutting edge plays to thought-provokin...

501 ecrivains

By Julian Patrick, Cecile Degorce

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501 grandes escritores

By Julian Patrick

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Celebration of Ben Jonson

By William Blissett, Julian Patrick, R. W. Van Fossen

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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.