Sheldon Lettich Books

Rambo III

By Sheldon Lettich, Sylvester Stallone, David Morrell

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Tracers.

By Harry Stephens, Written By The Original Cast Vincent Caristi Richard Chaves John DiFusco Eric E. Emerson Rick Gallavan Merlin Marston And Harry Stephens With Sheldon Lettich Conceived By John DiFusco, Vincent Caristi, Rick Gallavan, Richard Chaves, Merlin Marston, Eric E. Emerson, John DiFusco

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Double Impact VHS

By Sheldon Lettich, Moshe Diamant, Jean Claude Van Damme, Charles Layton, Steve Meerson, Mark Conte, Peter Krikes, 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.