Helen Rappaport Books

Dark Hearts of Chicago

By William Horwood, Helen Rappaport

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Capturing the Light

By WATSON Roger RAPPAPORT Helen

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At the heart of Capturing the Light, there lies a small scrap of purple-tinged paper, over 170 years old and about the size of a postage stamp. On it you can just make out a tiny, ghostly image --...

Moliere, or, The union of hypocrites

By Mihail Afanas Evic Bulgakov

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Queen Victoria

By Helen Rappaport

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"Queen Victoria: A Biographical Companion cuts through a vast mass of resource material and presents information on a selection of topics relating to the queen and her reign in an easily accessible...

Encyclopedia of Women Social Reformers

By Marian Wright Edelman, Helen Rappaport

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No Place For Ladies

By Helen Rappaport

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Gay and lesbian issues

By Stewart Chuck

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Presents an overview, including a chronology of events, of the gay civil rights movement and includes information about court decisions, laws and statutes, prominent people, the positions of major...

After the Romanovs

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Victoria

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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.