Hilary Roberts Books

The Vitamin Cure for Heart Disease

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The Great War

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On the occasion of the centenary of World War I in August 2014--an unprecedented, spectacular pictorial history of the first global war in 380 black-and-white photographs, many never seen before, f...

Lee Miller

By Miller Lee

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Lee Miller photographed innumerable women during her career, first as a fashion photographer and then as a journalist during the Second World War, documenting the social consequences of the conflic...

Cancer

By Steve Hickey, Hilary Roberts

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Ascorbate

By Steve Hickey, Hilary Roberts

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Ridiculous Dietary Allowance

By Steve Hickey, Hilary Roberts

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The Cancer Breakthrough

By Steve Hickey, Hilary Roberts

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If only they could understand

By Hilary Roberts

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The vitamin cure for heart disease

By Hilary Roberts

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Vitamin Cure for Heart Disease

By Steve Hickey, Hilary Roberts

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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.