Martha Brockenbrough Books

The Dinosaur Tooth Fairy

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Polishing her collection of fangs in a museum, the last Dinosaur Tooth Fairy is very lonely and longs for a new tooth, so when she spots a loose one she will do almost anything to get it--even face...

Devine intervention

By Martha Brockenbrough

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To graduate from heaven's soul rehabilitation program for wayward teenagers, guardian angel Jerome must keep sixteen-year-old Heidi safe, but when he accidentally lets her down, he has only twenty-...

Devine intervention

By Martha Brockenbrough

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Love Santa

By Martha Brockenbrough

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When she was five years old, Lucy wrote her first letter to Santa and left it by the plate of cookies; when she was eight, she wrote her last Santa letter--and left it on her mother's pillow.

Devine Intervention

By Martha Brockenbrough

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Bigfoot Wants a Little Brother

By Dave Pressler, Samantha Berger, Martha Brockenbrough

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Game of Love and Death

By Martha Brockenbrough

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Alexander Hamilton Revolutionary

By Martha Brockenbrough

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Unpresidented

By Martha Brockenbrough

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Unpresidented

By Martha Brockenbrough

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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.