Elizabeth Doyle Carey Books

The Callahan Cousins 3: Keeping Cool

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The twelve-year-old Callahan cousins are staying at their grandmother's rambling seaside estate for a whole summer without parents, but when the usually shy Kate tries to become the "cool" girl in...

The Callahan Cousins 4: Together Again

By Elizabeth Doyle Carey

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As the four Callahan cousins spend winter break at their grandmother Gee's estate on Gull Island, they fill their time with such activities as sledding, snowman contests, caroling, and a drama-pack...

Callahan Cousins 2 The

By Elizabeth Doyle Carey

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Toobers and Zots Travel Companion

By Elizabeth Doyle Carey, Liz Doyle

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Planet Ant

By Elizabeth Doyle Carey, Planet Dexter Editors

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Summer begins

By Elizabeth Doyle Carey

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Four girl cousins spend summer vacation together with their grandmother on Gull Island.

How to Make Raffia Hats Bags Baskets

By Elizabeth Doyle Carey, Liz Doyle

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Oscar Season

By Elizabeth Doyle Carey

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The Test

By Elizabeth Doyle Carey

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Home Sweet Home Callahan Cousins

By Elizabeth Doyle Carey

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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.