Roger Morris Books

This is the story of an ascent to power, with no pretense to complete biography. My purpose is to draw an informed, thoughtful portrait of the relatively unknown man who became Secretary of State i...

The genie in the bottle

By Roger Morris

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Partners in Power

By Roger Morris

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The red hand of fury

By Roger Morris

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A series of bizarre suicides leads Detective Inspector Silas Quinn to revisit his own troubled past ... June, 1914. A young man is mauled to death by a polar bear at London Zoo. Shortly afterwards,...

Atlantic Sail

By Roger Morris, Morris Roger

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Chief Executive in Local Government

By Roger Morris, Roger Paine

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Verkaufte Seelen

By Roger Morris

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Die Clintons. Eine amerikanische Karriere.

By Roger Morris

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Taking Comfort

By Roger Morris

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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.