Gretchen McLellan Books

Button and Bundle

By Gretchen McLellan

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No Party Poopers

By Lucy Semple, Gretchen McLellan

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Button and Bundle

By Gretchen McLellan

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Button and Bundle

By Gretchen McLellan Illustrated By Gillian Flint

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A tender story about two best friends who must move away from each other. With a sprinkle of imagination and a lot of love, Button and Bundle will learn the true meaning of friendship.Button and Bu...

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.