Jonathan Hensleigh Books

Die Hard: With a Vengeance - A Novel

By D. Chiel, Jonathan Hensleigh

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FIELD OF DEATH TV 2 The Young Indiana Jones Chronicles TV 2

By Les Martin, Lester M. Schulman

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s a courier for the French army at the Battle of Verdun, young Indiana Jones finds himself battling the French generals who persist in ordering suicidal assaults against the German troops.

Die Hard With a Vengeance

By Jonathan Hensleigh

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Adventures of Young Indiana Jones, Chapter 8 - Trenches of Hell VHS

By Cesare Landricina

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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.