Constance Marse Books

How to open operate a financially successful florist and floral business both online and off

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This book is a comprehensive and detailed study of the business side of a floral shop. It should be read by anyone investigating the opportunities of opening a store. By reading this book you will...

How to Open a Financially Successful Coffee Espresso Tea Shop

By Elizabeth Godsmark, Douglas R Brown, Lora Arduser, Constance Marse

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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.