Ahmet Zappa Books

Adora Finds a Friend

By Zelda Rose, Ahmet Zappa, Shana Muldoon Zappa

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Libby and the Class Election

By Zelda Rose, Ahmet Zappa, Shana Muldoon Zappa

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Scarlet discovers true strength

By Shana Muldoon Zappa

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"Scarlet has been keeping to herself. But she is convinced that her removal from the Star Darlings was a terrible mistake. With Vega's help she starts an investigation. Meanwhile, Ophelia is chosen...

Tessa s Lost and Found

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Adora finds a friend

By Shana Muldoon Zappa

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Energy stores have dropped to dangerous levels and day to day life has been affected for Starlings all over Starland. The Star Darlings are working furiously to discover the source of the crisis an...

Because I m Your Dad

By Ahmet Zappa, Dan Santat

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Because I m Your Dad

By Ahmet Zappa, Dan Santat

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Because I m Your Dad

By Ahmet Zappa, Dan Santat

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Star Darlings Stealing Starlight

By Ahmet Zappa, Disney Storybook Art Team, Shana Muldoon Zappa

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Star Darlings Stellar Style

By Ahmet Zappa, Disney Storybook Art Team, Shana Muldoon Zappa

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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.