Carolyn G. Heilbrun Books

The last gift of time

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When she was a young woman, distinguished author and critic Carolyn Heilbrun made a solemn resolution not to live past "three score years and ten." Taking her own life at the age of seventy, she re...

Women's lives

By Carolyn G. Heilbrun

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Women's lives

By Carolyn G. Heilbrun

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Reinventing Womanhood

By Carolyn G. Heilbrun

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Lady Ottoline s Album

By Ottoline Morrell, Carolyn G. Heilbrun

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Mrs. Stevens Hears the Mermaids Singing

By Carolyn G. Heilbrun, May Sarton

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Mrs. Stevens Hears the Mermaids Singing

By Carolyn G. Heilbrun, May Sarton

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Mrs. Stevens Hears the Mermaids Singing

By Carolyn G. Heilbrun, May Sarton

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Hamlet's Mother and Other Women

By Carolyn G. Heilbrun

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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.