John Blaney Books

John Lennon

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A pictorial biography seeks to convey the late Beatle's iconoclastic personality and collects family photos and reproductions of documents that reflect his experiences, his relationships, and the i...

Designer s Test Book

By John Blaney

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A Howlin Wind Pub Rock And The Birth Of New Wave

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John Lennon

By John Blaney

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Lennon and McCartney Together Alone

By John Blaney

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Beatles for Sale

By John Blaney

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Designer s Test Book

By John Blaney

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Songs He Was Singing Vol. 5 2010 1019

By John Blaney

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Beatles for Sale

By John Blaney

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Lennon and Mccartney Together Alone

By Paul McCartney, John Lennon, John Blaney

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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.