Henry Dumas Books

I Speak Boy

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A phone-obsessed twelve-year-old girl, frustrated by the cryptic boys in her life, discovers a magic app that can read boys' thoughts in this modern-day retelling of Emma by Jane Austen.After a mat...

Griefs of joy

By Eugene Redmond

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Echo Tree

By Henry Dumas

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Ark of Bones

By Eugene Redmond, Henry Dumas

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Play Ebony Play Ivory

By Henry Dumas

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The Big Book of Modern Fantasy

By Ann Vandermeer, Jeff VanderMeer

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WORLD FANTASY AWARD WINNER • A true horde of fantasy tales sure to delight fans, scholars, and even the greediest of dragons—from bestselling authors Ann and Jeff VanderMeerStep through a shimmerin...

I Speak Boy

By Jessica Brody

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Echo Tree

By Henry Dumas, John Keene

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Echo Tree

By Henry Dumas, John Keene

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Echo Tree

By Henry Dumas, Kevin R. Free, Korey Jackson, Eugene B. Redmond Editor, Cary Hite

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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.