Dorothy Allen Books

Baby Jesus

By Dorothy Allen

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Baby Jesus

By Dorothy Allen

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Retells the story of the birth of Jesus, from Mary's visitation by the angel to the visit of the three Wise Men, and identifies Christmas as a celebration of the birth.

Walking the Limestone Way

By Dorothy Allen, Elizabeth Haypock, Bill Allen, Ron Haydock

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Dessert Made Easy

By Dorothy Allen

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Grandma s Goldfish Pond

By Dorothy Allen

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Simple and Quick Plant Based Diet for Beginners on a Budget

By Dorothy Allen

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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.