Penny Vincenzi Books

A question of trust

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1950s London. Tom Knelston is charismatic, working class and driven by ambition, ideals and passion. He is a man to watch. His wife Alice shares his vision. It seems they are the perfect match. The...

Untitled 1 Vincenzi Export Airside and Ireland

By Penny Vincenzi

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Question of Trust E a I

By Penny Vincenzi

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Almost a Crime

By Penny Vincenzi

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Decision

By Penny Vincenzi

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Decision

By Penny Vincenzi

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Into Temptation

By Penny Vincenzi

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Almost a Crime

By Peggy Vincenzi

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Dilemma

By Penny Vincenzi

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No angel

By Penny Vincenzi

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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.