Jahnna N. Malcolm Books

The Sapphire Princess Meets a Monster Jewel Kingdom No. 2

By Jahnna N. Malcolm

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The Emerald Princess plays a trick

By Jahnna N. Malcolm

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Emily plays tricks on the people around the palace.

The Diamond Princess Saves the Day Jewel Kingdom

By Jahnna N. Malcolm

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The Terrible Tryouts Bad News Ballet No 1

By Jahnna N. Malcolm

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Battle of the bunheads

By Jahnna N. Malcolm

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McGee, Gwen, Mary Bubnik, Zan and Rocky are not happy when they found out that Courtney and the other Bunheads (snobby ballerinas who wear their hair in buns) will be in their ballet class.

Stupid cupids

By Jahnna N. Malcolm

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The girls play cupid to find a Valentine's date for their teacher.

Blubberina

By Jahnna N. Malcolm

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When Gwen flunks the toe shoe test, because she's too heavy and out of shape, the gang vows to help her loose weight and get her toe shoes.

Save D.A.D Bad News Ballet No 6

By Jahnna N. Malcolm

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The king and us

By Jahnna N. Malcolm

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Things don't go exactly as planned when five friends decide to try out for parts in a local production of "The King and I" in order to impress three snobby girls in their ballet class.

Camp Clodhopper Bad News Ballet No 8

By Jahnna N. Malcolm

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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.