David Guion Books

The ex

By Carey Anne Film Producer, Michael Handelman, David Guion, Anthony Bregman, Jesse Peretz, Ted Hope

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Tom and Sofia have just had their first baby and that means it is time for Tom to grow up. When Tom goes to work for his father-in-law, his new boss Chip seems to have it out for him. Tom soon disc...

Before and after the First Earth Day 1970

By David Guion

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Currahee!

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Seven days in hellIn June 1944, the Allies launched a massive amphibious invasion against Nazi-held France. But under the cover of darkness, a new breed of fighting man leapt from airplanes through...

Seven Roads to Hell

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In December 1944, Hitler launched a desperate massive counterstrike at the Allies, with thirty-eight German divisions slamming through American lines. Then the 101st Airborne was thrown into the fi...

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.