Tonya Bolden Books

We Are Not yet Equal

By Carol Anderson, Tonya Bolden

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Star Sailor: My Life as a NASA Astronaut

By Tonya Bolden, Charles F. Bolden Jr.

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Space science and shared humanity shine as the first Black head of NASA offers an up-close and thrilling account of his shuttle missions, including some of the defining moments of NASA’s hist...

Raised in Charleston, West Virginia, at the turn of the twentieth century by her grandfather and aunt on off-putting tales of family members she has never met, twelve-year-old Delana is shocked whe...

Finding Family

By Tonya Bolden

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Searching for Sarah Rector

By Tonya Bolden

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Beautiful Moon

By Eric Velasquez, Tonya Bolden

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Capital Days

By Tonya Bolden

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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.