Margo Howard Books

A Life in Letters

By Ann Landers, Margo Howard

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Modernism and Memory

By Frances Spalding, Margo Howard, Ian Collins, Eleanor Hughes

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Eat drink remarry

By Margo Howard

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"Margo Howard, daughter of advice maven Ann Landers and author of the widely syndicated columns 'Dear Prudence' and 'Dear Margo, ' chronicles her winding journey to everlasting love--and the three...

Eat, drink & remarry

By Margo Howard

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"Margo Howard, daughter of advice maven Ann Landers and author of the widely syndicated columns 'Dear Prudence' and 'Dear Margo, ' chronicles her winding journey to everlasting love--and the three...

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.