Karen Keller Books

Portuguese Phrases For Dummies For Dummies Lifestyles Paperback

By Karen Keller

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A Patchwork of Programs 2 for Women s Ministries

By Karen Keller, Nora Burdett

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Patchwork of Programs for Women s Ministries

By Karen Keller, Nora Burdett

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Portuguese for dummies

By Karen Keller

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Outlines basic Portuguese grammar, and introduces useful words and expressions and simplified dialogue which can be used for conversations and travelling.

It s Bedtime Joshua

By Karen Keller M.D

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Le Portugais Guide de conversation Pour les Nuls 2e French Edition

By Keller Karen Rodrigues Ricardo

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Portugues esencial para Dummies

By Mercedes Vaquero Granados, Karen Keller

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Portuguese Phrases For Dummies

By Karen Keller

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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.