Gwenyth Swain Books

Tigers Our Wild World

By Gwenyth Swain

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Big Cats Our Wild World

By Kathy Feeney, Patricia Corrigan, Gwenyth Swain

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192 p. : 23 cm

Tigers Our Wild World

By Gwenyth Swain

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Civil rights pioneer

By Gwenyth Swain

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A biography of a determined woman, who was born in Tennessee, educated in Ohio, and lived in Washington, D.C., where she worked to gain equal rights for herself and other African Americans.

Eating Small World

By Gwenyth Swain

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Smiling Small World

By Gwenyth Swain

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Celebrating Small World

By Gwenyth Swain

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Carrying Small World

By Gwenyth Swain

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Johnny Appleseed On My Own Biography

By Gwenyth Swain

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Johnny Appleseed On My Own Biography

By Gwenyth Swain

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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.