Peter Hull Books

Seventeen sports cars, 1919-1930

By Nigel Arnold Foster, Peter Hull

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Alfa Romeo

By Peter Hull, Roy Slater

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Gay community periodic survey

By National Centre In HIV Social Research

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"... is a cross-sectional survey of gay and homosexually active men recruited through a range of gay community sites in Melbourne... provides a snapshot of sexual and HIV related practices among ga...

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.

Peter Hull Books

Alfa Romeo.

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Lord Nuffield Lifelines

Seventeen sports cars, 1919-1930

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Gay community periodic survey

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