Melissa Musick Books

Gwendolyn Glen-Meadows and the lunchbox blues

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Annie wishes that the school lunches her sister makes her were not so unusual, but her friend Gwendolyn helps her appreciate them.

Catholic Catalogue

By Anna Keating, Melissa Musick

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The Catholic Catalogue

By Anna Keating, Melissa Musick

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The popular mother-daughter team behind the hit website TheCatholicCatalogue.com helps readers to discover, rediscover, and embrace the holidays and seasons of Catholic life through this collection...

The Catholic Catalogue

By Anna Keating, Melissa Musick

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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.