Andrea Balis Books

P.J.

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A fifth grader whose reputation at home and at school is too "good" sets out to build a new image with disastrous results.

P.J.

By Andrea Balis

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A fifth grader whose reputation at home and at school is too "good" sets out to build a new image with disastrous results.

Bringing Down a President

By Elizabeth Levy, Andrea Balis

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Witch Hunt

By Elizabeth Levy, Tim Foley, Andrea Balis

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Witch Hunt

By Elizabeth Levy, Tim Foley, Andrea Balis

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Bringing down a President

By Elizabeth Levy, Tim Foley, Andrea Balis

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What are you using?

By Andrea Balis

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A birth control handbook describing types of contraception available, their effectiveness, how to use them, and possible side effects.

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.