David Kahn Books

Secret warfare
Secret warfare

By David Kahn

Average: 0.00, 0 Ratings

Read More
Selections from Cryptologia
Cracking the AP calculus AB exam
Cracking the AP calculus AB exam

By David S. Kahn

Average: 0.00, 0 Ratings

EVERYTHING YOU NEED TO SCORE A PERFECT 5 ON THE NEW 2017 EXAM! Equip yourself to ace the NEW AP Calculus AB Exam with The Princeton Review's comprehensive study guide ? including thorough content r...

Read More
Cracking the AP calculus AB exam
Cracking the AP calculus AB exam

By David S. Kahn

Average: 0.00, 0 Ratings

EVERYTHING YOU NEED TO SCORE A PERFECT 5 ON THE NEW 2017 EXAM! Equip yourself to ace the NEW AP Calculus AB Exam with The Princeton Review's comprehensive study guide ? including thorough content r...

Read More
The German Enigma Cipher Machine
The German Enigma Cipher Machine

By

Average: 0.00, 0 Ratings

Read More
Seizing the Enigma
Seizing the Enigma

By David Kahn

Average: 0.00, 0 Ratings

Read More
Krav Maga Professional Tactics
Krav Maga Weapon Defenses
Krav Maga Weapon Defenses

By David Kahn

Average: 0.00, 0 Ratings

Read More
Krav Maga Professional Tactics
Seizing the Enigma
Seizing the Enigma

By David Kahn

Average: 0.00, 0 Ratings

Read More

Related Articles from our Blog

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.

Read More