Mark Okrant Books

No Vacancy offers a critical look at motels and their distressing disappearance from the tourism landscape. Using engaging interviews with past guests and proprietors, photographs, and case studies...

Murder At The Grands

By Mark Okrant, Mark J. Okrant

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Murder With A View : When A Bridegroom Disappears Before His Wedding At New Hampshire's Gorgeous Mountain View Grand Resort, None Of The Possible Suspects Seems Remotely Disappointed By His Absence...

Two If By Sea

By Mark Okrant, Mark J. Okrant

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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.