Carolyn Mackler Books

Love and Other Four-Letter Words

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With her parents splitting up, 16-year-old Sammie Davis may not want to feel a thing, but feelings happen. For starters, she’s plenty angry. Her dad’s leaving their upstate New York home and moving...

Love and Other Four Letter Words

By Carolyn Mackler

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Best Friend Next Door

By Carolyn Mackler

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Best Friend Next Door

By Carolyn Mackler

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Not if I can help it

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Not If I Can Help It

By Carolyn Mackler

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Not If I Can Help It Scholastic Gold

By Carolyn Mackler

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Love and Other Four Letter Words

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Not If I Can Help It

By Carolyn Mackler

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Not If I Can Help It EBOOK

By Carolyn Mackler

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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.