Duncan Curtis Books

Sabre

By Duncan Curtis

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North American F 86 Sabre

By Duncan Curtis

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North American Qf-86e/F/H Full Scale Aerial Targets

By Duncan Curtis

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North American Sabre Dog Part Three: ANG And Foreign F-86D/K/L

By Duncan Curtis

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Air Force Legends Number 212 is the third volume in the North American F-86D/K/L Sabre Dog series and covers Air National Guard and foreign usage of the F-86D/K/Ls. Volume two, Air Force Legends Nu...

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.