Birte Muller Books

Giant Jack

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Giant Jack, a rat growing up in a mouse family, suffers from being larger and clumsier than his siblings, until Mother Mouse explains that his differences make him special.

Finn cooks

By Birte Muller

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Finn dislikes the healthy food his mother makes, but when she agrees to let him shop and cook for one day, his breakfast of candy, doughnuts, and cheese puffs makes him feel sick.

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.