Susan Beth Pfeffer Books

Ghostly tales

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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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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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Marly the Kid

By Susan Beth Pfeffer

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Running away was an act of defiance, but it it was also the beginning of self-discovery.

A Matter of Principle

By Susan Beth Pfeffer

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A group of high school students are suspended from school for publishing an underground newspaper that the principal finds objectionable.

Paper Dolls

By Susan Beth Pfeffer

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Starring Peter and Leigh

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.