Joanne Owen Books

After an accident at her grandmother's house, Rosie is transported to a strange and sinister world populated by a cast of carnivalesque characters who reside in the Circus of the Unseen. Reigning o...

Martha Mayhem and the Witch from the Ditch

By Amy Enticknap, Joanne Owen

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Puppet Master

By Joanne Owen

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Gothic novel for young adults centred on the story of Milena, an orphaned girl, whose parents ran a marionette theatre in early 20th century Prague. Milena and her aunts use supernatural powers to...

Puppet master

By Joanne Owen

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"When Milena meets the charismatic Puppet Master and his menacing proteges, the twins Zdenko and Zdenka, in Prague's Old Town Square she has no idea quite how much her life is about to change."--Ba...

Martha Mayhem Goes Nuts

By Joanne Owen

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Kukla Ustasi

By Joanne Owen

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Tomris Tantana ve Curcunaci Cadi

By Joanne Owen

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You Can Write Awesome Stories

By Collins Kids, Joanne Owen

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You Can Write Awesome Stories

By Collins Collins Kids, Joanne Owen

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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.