Sheila Keenan Books

Good Morning Monday

By Sheila Keenan

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Biggest Fish Brochuo

By Sheila Keenan

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Biggest Fish Shelf

By Sheila Keenan

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What Is the Story of the Headless Horseman?

By Sheila Keenan, Andrew Thomson, Who HQ

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Who HQ brings you the stories behind the most well-known characters of our time.Discover the haunting story of the Headless Horseman, his chilling adventures in Sleepy Hollow, New York, and his his...

What Is the Story of the Headless Horseman

By Sheila Keenan, Andrew Thomson, Who HQ

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What Is the Story of Ebenezer Scrooge?

By Sheila Keenan, Andrew Thomson, Who HQ

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Who HQ brings you the stories behind the most beloved characters of our time.Bah humbug! Get to know the story of Ebenezer Scrooge and his transformation from miser to hero in this addition to the...

What Is the Story of Ebenezer Scrooge?

By Sheila Keenan, Andrew Thomson, Who HQ

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Who HQ brings you the stories behind the most beloved characters of our time.Bah humbug! Get to know the story of Ebenezer Scrooge and his transformation from miser to hero in this addition to the...

What Is the Story of Godzilla?

By Sheila Keenan, Who HQ

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Who HQ brings you the stories behind the most well-known characters of our time. In this addition to the What Is the Story Of? series, young readers will discover the exciting story of one of the w...

What Is the Story of Godzilla?

By Sheila Keenan, Who HQ

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Scholastic Encyclopedia of Women

By Sheila Keenan

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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.