Teresa Flavin Books

Crimson Shard

By Teresa Flavin

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Shadow Lantern

By Teresa Flavin

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The Crimson Shard

By Teresa Flavin

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“Characters are richly drawn and the pace brisk. . . . A gripping continuation.” — Kirkus ReviewsIn this riveting sequel to The Blackhope Enigma, a museum tour guid...

The Blackhope enigma

By Teresa Flavin

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Fourteeen-year-old Sunni, her stepbrother Dean, and an art-student friend trace the footsteps of a labyrinth built in Blackhope Tower by a mysterious and brilliant sixteenth-century artist, and sud...

All Families Are Special

By Norma Simon, Teresa Flavin

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Yellow Rabbit

By Rich Watson, Teresa Flavin

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The Blackhope enigma

By Teresa Flavin

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When Sunni Forrest's stepbrother accidentally transports himself into a Renaissance painting, she and her friend Blaise set out to bring him back. They find themselves in a strange world of labyrin...

Blackhope Enigma

By Teresa Flavin

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The Crimson Shard Teresa Flavin

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Crimson Shard

By Teresa Flavin

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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.