Harry Cunnane Books

You Are Always Loved

By Holly Clifton Brown, Madeleine Dean, Harry Cunnane

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Under Our Roof

By Madeleine Dean, Harry Cunnane

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A congresswoman and her son reveal how he survived a ten-year battle with opioid abuse—and what their family’s journey to recovery can teach us about finding hope amid the unspeakable.&...

Under Our Roof

By Madeleine Dean, Harry Cunnane

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You Are Always Loved

By Holly Clifton Brown, Madeleine Dean, Harry Cunnane

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A congresswoman and her son reveal how he survived a ten-year battle with opioid abuse—and what their family’s journey to recovery can teach us about finding hope amid the unspeakable.“Beautiful an...

Under Our Roof

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You Are Always Loved

By Madeleine Dean, Harry Cunnane

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This deeply felt children's book from Congresswoman Madeleine Dean and her son Harry—authors of the memoir Under Our Roof—reassures children that, even when the grown-u...

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.