William D. Norwich Books

Molly and the magic dress

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Molly lives with her mother in a fancy Manhattan apartment, where she is lonely except for her cat and her magical dress that turns her into anyone she wants to be.

Yabu Pushelberg

By William D. Norwich

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My Mrs. Brown

By William D. Norwich

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Called upon to inventory the estate of a wealthy woman, Emilia Brown, a frugal and unnoticed woman in small-town Rhode Island, discovers an exquisitely tailored Oscar de la Renta dress in the woman...

My Mrs. Brown

By William Norwich

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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.