Polly Horvath Books

The Canning Season

By Polly Horvath

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Night Garden

By Polly Horvath

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Las Vacaciones the Vacations Torre De Papel Amarilla Paper Tower Yellow

By Polly Horvarth

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Unser Haus am Meer

By Polly Horvath

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The Vacation

By Polly Horvath

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When his mother decides on a whim to become a missionary in Africa and drags his unwilling father along, Henry is left in the care of his aunts, Magnolia and Pigg. Henry is sure they dislike him an...

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.