Mary Barker Books

Pears Cyclopedia 1975 76

By Mary Barker, Christopher Cook

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Community service and women offenders

By Mary Barker

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Community service and crime prevention

By Mary Barker

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Lines addressed to a noble lord, 1815

By Mary Barker

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"Mary Barker, young, excitable, attached herself first to Southey in 1796, then to Wordsworth in 1814. Leaping to defend the Lake Poets from Byron's derisive phrase, 'Pond Poets' she composed her i...

Prevention of street robbery

By Mary Barker

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Tangled Threads

By Mary Barker

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Independently Savvy

By Mary Barker

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Independently Fierce

By Mary Barker

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Independently Designed

By Mary Barker

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Simple Money Habits of the Wealth and Wise

By Mary Barker

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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.