Keith Addis Books

15 minutes

By Nick Wechsler, David Blocker, Keith Addis, John Herzfeld

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When two Eastern European criminals come to New York City, one of them steals a video camera and starts to film all of their activities. When they learn how the American media can make a remorseles...

Breathless

By Francois Truffaut, Martin Erlichman, Jean Luc Godard, Jim McBride, Keith Addis, L.M. Kit Carson, Richard H. Kline

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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.