Sylvia B. Williams Books

Leontyne Price, opera superstar

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A brief biography of the black opera singer who is one of the most celebrated sopranos of her time and who, among other honors, opened the inaugural season of the new Metropolitan Opera House.

Leontyne Price

By Sylvia B. Williams

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Alex Haley

By Sylvia B. Williams

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I Have a Dream

By Sylvia B. Williams

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Paul Bryant football legend Alabama roots biography series

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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.