Amy Keyishian Books

Digging for clues

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What's buried deep beneath Fort Greene that's valuable enough to stop a new supermarket from being built? Who is the mysterious writer whose notes seem torn from the pages of Tina's diary? Join the...

MAN WHO VANISHED THE Ghostwriter

By Michael David Biegel, Amy Keyishian

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Man Who Vanished

By Amy Keyishian

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Digging for Clues Children s Television Workshop Book

By Elizabeth Keyishian, Amy Keyishian, Phil Franke

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Man Who Vanished

By Amy Keyishian

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Stephen King

By Marjorie Keyishian, Amy Keyishian

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Stephen King

By Amy Keyishian

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Stephen King

By Amy Keyishian

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Digging for Clues Ghost Writer

By Amy Keyishian, Writer Ghost

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The Man Who Vanished Ghostwriter

By Amy Keyishian

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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.