Ruth Warren Books

A pictorial history of women in America

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Discusses the accomplishments of women in America from colonization to the present. Includes Anne Bradstreet, Eleanor Roosevelt, Bessie Smith, and many more.

The first book of modern Greece

By Ruth Warren

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An introduction to present-day Greece which includes geography, history and government, village life, religion and culture.

Modern Greece

By Ruth Warren

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An introduction to the geography, history, government, culture, people, and economy of modern-day Greece.

Cancer de mama

By John R. Benson, Ruth Warren, Guidubaldo Querci Della Rovere

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Breast MRI in Practice

By Alan Coulthard, Ruth Warren

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Breast MRI in Practice

By Alan Coulthard, Ruth Warren

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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.