Michael Fletcher Books

How to get promoted

By Fletcher Michael Pastor

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Supreme Discomfort

By Michael Fletcher, Kevin Merida

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“[An] impeccably researched and probing biography . . . invaluable for any understanding of the court’s most controversial figure.”—The New York Times Book Review A sweeping, compelling portrait of...

Making Wooden Toys

By Michael J. Fletcher

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Geometry SE

By Michael Fletcher, John Benson, Matthew Miller, Zalman Usiskin, Nancy Powell, Ray Klein, Natalie Jakucyn, Catherine Capuzzi Feuerstein, George Marino

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UCSMP Secondary, Geometry, Student Edition

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.