Tonya Bolden Books

Hello Kitty Hello Nature Explorer Kit Hello Kitty

By Higashi Glaser Design

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Mama I Want to Sing

By Tonya Bolden, Vy Higginsen

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Through Loona s Door A Tammy and Owen Adventure with Madame C. J. Walker

By Tonya Bolden, Eric Battle

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Frederick Douglass (1818 1895) is best known for the telling of his own emancipation. But there is much more to Douglass s story than his time spent enslaved and his famous autobiography. Facing Fr...

Half the Mother Twice the Love

By Tonya Bolden, Mother Love

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The Emancipation Proclamation

By Tonya Bolden

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The twelve days of New York

By Tonya Bolden

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Changing the Equation 50 US Black Women in STEM

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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.