Ruth Hobday Books

Agility Fun the Hobday Way Vol. 2

By Ruth Hobday

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200 women

By Geoff Blackwell

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This book contains 200 interviews with women from around the world, from actresses, to social activists, politicians, artists, and more, accompanied by beautiful photographic portraits specially co...

200 Women

By Ruth Hobday, Chronicle Books

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200 Women

By Marianne Lassando, Ruth Hobday, Sharon Gelman, Kieran Scott, Geoff Blackwell

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I Know This to Be True

By Ruth Hobday, Geoff Blackwell

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I Know This to Be True

By Ruth Hobday, Geoff Blackwell

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I Know This to Be True

By Ruth Hobday, Geoff Blackwell

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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.