Bob Mullan Books

Modern social work in search of a soul

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Social Work in the Year 2000. Amid increasing poverty, homelessness, cuts in government spending, drug misuse, AIDS and family violence, the professional social worker has emerged: a faceless burea...

The Enid Blyton Story

By Bob Mullan

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Perfect Partners

By Bob Mullan, Bob Bullan

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Are mothers really necessary?

By Bob Mullan

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Perfect Partners

By Bob Mullan, Bob Bullan

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Mad to be Normal

By Bob Mullan, R. D. Laing

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The Self Help Cascade

By Bob Mullan

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The Self Help Cascade

By Bob Mullan

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Sociologists on sociology

By Bob Mullan

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Not a pretty picture

By Bob Mullan

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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.

Bob Mullan Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?