Penry Williams Books

The Later Tudors: England, 1547-1603

By Penry Williams

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The Tudor Regime

By Penry Williams, Perry Williams

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The Later Tudors: England 1547-1603

By Penry Williams

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The Later Tudors tells the story of England between the accession of Edward VI and the death of Elizabeth I. The turbulent second half of the sixteenth century was a period of intense conflict bet...

The council in the marches of Wales under Elizabeth I.

By Penry Williams

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Life in Tudor England.

By Penry Williams

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Life in Tudor England English life series

By Penry Williams

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Chetham s

By Penry Williams

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Tudor Regime

By Penry Williams

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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.