Rosamond Wolff Purcell Books

Finders, Keepers: Eight Collectors

By Stephen Jay Gould, Rosamond Wolff Purcell

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Most of us collect things, but seldom have entire collections been preserved. A few that did survive have fallen, figuratively, into the clutches of two of America's most innovative minds: photogra...

Finders Keepers

By Stephen Jay Gould, Rosamond Wolff Purcell

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Swift As a Shadow: Extinct and Endangered Animals

By Rosamond Wolff Purcell

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Special cases

By Rosamond Wolff Purcell

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Hidden wonders 1991

By Rosamond Wolff Purcell

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A matter of time

By Rosamond Wolff Purcell

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A matter of time

By Rosamond Wolff Purcell

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Half-life

By Rosamond Wolff Purcell

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Owls Head

By Rosamond Wolff Purcell

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Bookworm

By Rosamond Purcell, Rosamond Wolff Purcell

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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.