Andrew G. Vajna Books

Renaissance man

By Sara Colleton, Andrew G. Vajna, Penny Marshall, Jim Burnstein, Robert Greenhut, Elliot Abbott

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"DeVito plays a down-on-his-luck businessman who desperately takes the only job offered - a teacher in the U.S. Army. His mission: keep a ragtag bunch of underachieving misfits from flunking out of...

Jacob's Ladder

By Alan Marshall, Andrew G. Vajna, Bruce Joel Rubin, Mario Kassar, Tom Rolf, Jeffrey L. Kimball

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Narrow Margin

By Andrew G. Vajna, Peter Hyams, Martin Goldsmith, Jack Leonard, Jonathan A. Zimbert, Earl Felton, Jerry Offsay

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Red Heat

By Andrew G. Vajna, Troy Kennedy Martin, Walter Hill, Harry Kleiner, Gordon Carroll, Mae Woods, Mario Kassar

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Air America

By Andrew G. Vajna, Christopher Robbins, John Eskow, Richard Rush, Daniel Melnick, Allen Shapiro

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Rambo: First Blood

By David Morrell, Andrew G. Vajna, Sylvester Stallone, Buzz Feitshans, William Sackheim, Herb Nanas, Michael Kozoll

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Rambo: First Blood II

By David Morrell, Andrew G. Vajna, James Cameron, Sylvester Stallone, Buzz Feitshans, Kevin Jarre, Mario Kassar

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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.