Marcia Sewall Books

Told from the perspectives of a Wampanoag warrior and a Pilgrim settler, an account of what transpired when their cultures first met describes the misunderstandings and cultural clashes that eventu...

The world turned upside down

By Marcia Sewall

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An illustrated version of a traditional "penny rhyme" describing some unusual sights.

Stone Fox

By Marcia Sewall, John Reynolds Gardiner

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Dancin Fox

By Marcia Sewall, W. Nikola Lisa, Aesop Aesop

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Sable

By Karen Hesse, Marcia Sewall

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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.