Bruce P. Lenman Books

The eclipse of parliament

By Bruce Lenman

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Chambers Dictionary of World History

By Editors Of Chambers

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Chambers Dictionary of World History

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This new edition of the Dictionary of World History (formerly published under the Larousse imprint), contains within a single volume comprehensive coverage of the key figures and events of world hi...

England s Colonial Wars 1550 1688

By Bruce Lenman, Bruce P. Lenman

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Britain's colonial wars, 1688-1783

By Bruce Lenman

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Britain's colonial wars, 1688-1783

By Bruce Lenman

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Britain s Colonial Wars 1688 1783

By Bruce Lenman

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Britain s Colonial Wars 1688 1783

By Bruce Lenman

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Britain s Colonial Wars 1688 1783

By Bruce Lenman

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Military Engineers

By Bruce P. Lenman

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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.