Susan Beth Pfeffer Books

Amy s Story

By Susan Beth Pfeffer

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The pizza puzzle Susan Beth Pfeffer

By Susan Beth Pfeffer

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Distracted by her worries that her parents may get a divorce, Taryn gets in trouble with her seventh-grade English teacher and is caught up in an increasingly complicated series of lies.

Courage Dana

By Susan Beth Pfeffer

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After becoming a celebrity for saving a child's life, seventh-grader Dana finds herself in a situation at school that requires even more courage.

Ghostly tales

By Susan Beth Pfeffer

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In four ghost stories, set in nineteenth century Concord, Massachusetts, each of the March sisters has a supernatural encounter.

Christmas Dreams

By Susan Beth Pfeffer

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Just Between Us

By Susan Beth Pfeffer

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MOUTH WONT OPEN

By Susan Beth Pfeffer

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Future forward

By Susan Beth Pfeffer

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Having kept the secret that their family VCR can send people back in time, eleven-year-old twins Scott and Kelly continue to search for the best way to use that power and make an amazing new discov...

About David

By Susan Beth Pfeffer

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Beauty Queen

By Susan Beth Pfeffer

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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.