Audrey Couloumbis Books

Willa Joe is up on the roof at Aunt Patty's house. She went up to see the sunrise, and Little Sister followed her, like she always does. But by mid-morning, Willa Jo is still up on that roof, and...

Getting Near to Baby

By Audrey Couloumbis

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A Southern charmer for fans of Newbery Honor book Three Times Lucky by Sheila TurnageAudrey Couloumbis's masterful debut novel brings to mind Karen Hesse, Katherine Paterson, and Betsy Byars's The...

Summer's End

By Audrey Couloumbis

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The summer Grace turns thirteen is when everything changes. The Vietnam War is raging, and Grace's brother, Collin, is drafted. But Collin decides to take a stand and burn his draft card, igniting...

The Misadventures of Maude March

By Audrey Couloumbis

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Eleven-year-old Sallie March is a whip-smart tomboy and voracious reader of Western adventure novels. When she and her ladylike older sister Maude are orphaned for the second time, they decide to t...

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.