Deborah Blumenthal Books

Chocolate Covered Cookie Tantrum

By Deborah Blumenthal

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Blue House Dog

By Deborah Blumenthal

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Fat Camp

By Deborah Blumenthal

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Fat Camp

By Deborah Blumenthal

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A different me

By Deborah Blumenthal

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"High schooler Allie, who has long wanted to get plastic surgery, becomes online friends with two other girls who share her obsession"--Provided by publisher.

Different Me

By Deborah Blumenthal

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Hurricane Kiss

By Deborah Blumenthal

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The lifeguard

By Deborah Blumenthal

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Spending the summer at her aunt's beach house, teenaged Sirena struggles with her parents' divorce and falls in love with a mysterious lifeguard.

Lifeguard

By Deborah Blumenthal

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UFOhs

By Ralph Blumenthal, Adam Gustavson, Deborah Blumenthal

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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.