Susan Coolidge Books

What Kathy Did Next

By Susan Coolidge

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What Katy did next.

By Susan Coolidge

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The stories trees tell

By Susan Coolidge

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An interactive nature storybook featuring animal friends who travel through five different habitats and learn about trees in interesting but unusual shapes. Contains tree facts and learning activit...

The New Year s Bargain by Susan Coolidge

By Susan Coolidge

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Verses

By Susan Coolidge

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The Diary and Letters of Frances Burney Madame D Arblay Volume 2

By Susan Coolidge, Fanny Burney

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What Katy Did Next

By Susan Coolidge

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What Katy Did Next

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What Katy Did At School

By Susan Coolidge

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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.