David Koepp Books

Danny and Walter are brothers who don't get along. When they discover a magical game that sends their house into outer space, they have to learn to work together to battle the evil Zorgons.

Panic Room

By James Whitfield Ellison, David Koepp, James Ellison Adapter

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Indiana Jones and the Kingdom of the Crystal Skull

By Fabio Laguna, George Lucas, David Koepp, John Jackson Miller, Dan Jackson, Luke Ross

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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.