Michael H. Marcus Books

Landlord tenant relations for Oregon

By Michael H. Marcus

Average: 0.00, 0 Ratings

Landlord tenant rights in Oregon

By Michael H. Marcus

Average: 0.00, 0 Ratings

Landlord tenant rights in Oregon

By Michael H. Marcus

Average: 0.00, 0 Ratings

I only flunk my brightest students

By Michael H. Marcus

Average: 0.00, 0 Ratings

Originally planned as a complaint about a bad sixth-grade teacher, "I Only Flunk My Brightest Students : stories from school and real life" grew into a life story. Humorous memoir has received grea...

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.