Ellen Denker Books

The Warner s Collector s Guide to North American Pottery and Porcelain Warner Collector s Guides

By Ellen Denker, Bert Denker

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China and Glass in America 1880 1980

By Stephen G. Harrison, Charles L. Venable, Ellen Denker, Katherine C. Grier

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"In following the story of ceramics and glass, the reader will see the rapid industrialization that followed the Civil War; how these industries were reorganized in response to efficiency drives du...

The rocking chair book

By Ellen Denker

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After the Chinese taste

By Ellen Denker

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The Main Street pocket guide to North American pottery and porcelain

By Ellen Denker

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Twentieth Century Ceramics

By Paul Atterbury, Ellen Denker

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Lenox China

By Ellen Denker

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You Can Fly and Make Prints Too

By David R. Brigham, Julie L. McGee, Curlee Raven Holton

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Byrdcliffe

By Nancy E. Green

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"Byrdcliffe was, and remains, a place of haunting beauty. One hundred years ago, it was established as an Arts and Crafts colony in the heart of the Catskill Mountains. Craftsmen, writers, and musi...

Faces flowers

By Ellen Denker

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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.