Wendy Harmer Books

Perla y el elfo del parque

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"¡Carámbanos y granizos! En un gélido día de invierno el hada Perla recibe una visita inesperada: ¡un pequen̋o elfo llamado Jasper que se está congelando! Han derribado el árbol donde vivía para c...

Perla en Nueva York

By Estrella Borrego Del Castillo, Gypsy Taylor, Wendy Harmer

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Perola. Perola e a Tia Tabata Em Portuguese do Brasil

By Wendy Harmer

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So Anyway Wendys Words of Wisdom

By Wendy Harmer

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Pearlie and the Imperial Princess

By Gypsy Taylor, Wendy Harmer

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48 pages : 22 cm

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.