Harold D. Underdown Books

Complete Idiot's Guide to Publishing Children's Books

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Practical advice on getting started as a children's author; basics of writing--and selling--books for children; tips on the publishing process--Cover.

The complete idiot's guide to publishing children's books

By Harold D. Underdown

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Complete Idiot s Guide to Publishing Children s Books

By Lynne Rominger, Harold D. Underdown

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The complete idiot s guide to publishing children s books

By Harold D. Underdown

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William Henry Harrison Young Tippecanoe

By Howard Peckham, Harold D. Underdown, Cathy Morrison

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Lew Wallace

By Harold D. Underdown, Martha Schaaf, Cathy Morrison

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Juliette Low

By Helen Boyd Higgins, Harold D. Underdown, Cathy Morrison

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James Whitcomb Riley

By Harold D. Underdown, Minnie Belle Mitchell, Cathy Morrison, Montrew Dunham

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Eddie Rickenbacker

By Harold D. Underdown, Cathy Morrison, Kathryn Cleven Sisson

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John Hancock

By Harold D. Underdown, Cathy Morrison, Kathryn Cleven Sisson

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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.