Helen Goodman Books

Murder in Eden

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When her roommate at Springwillow nursing home dies suddenly, no one except Fonnie Beachum seems to find the even suspicious. Perhaps it was Fonnie's training as a nurse; perhaps it was the dead wo...

Valley of death

By Goodman Helen Mystery Writer

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Middle school teacher Allison Aldridge misses the predictability of ordinary small-town life when her classroom and home are invaded, her elderly neighbor Malvina goes missing, and Malvina's husban...

Murder in the Mountains

By Helen Goodman

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Cataloguing audiovisual materials

By Eugene B. Fleischer

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TOXIC WASTE

By Helen Goodman

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The Blue Goose is Dead

By Helen Goodman

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Murder in Eden

By Helen Goodman

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Murder in Eden

By Helen Goodman

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Jess

By Helen Goodman

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Toxic waste

By Helen Goodman

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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.