John Nadler Books

"The Germans called them 'the Black Devils.' The Allies ultimately credited them with turning their fortunes around in the toughest year of World War II. They were the men of the First Special Serv...

A Perfect Hell

By John Nadler

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It’s 1942 and Hitler’s armies stand astride Europe like a colossus. Germany is winning on every front. This is the story of how one of the world’s first commando units, put toge...

A Perfect Hell

By John Nadler

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Searching for Sofia

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From journalist John Nadler comes a real-life Romeo and Juliet story set in war-torn Kosovo.Nadler has stumbled upon a bitter epic romance in the ashes of inter-ethnic strife in the former Yugoslav...

A Perfect Hell

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It’s 1942 and Hitler’s armies stand astride Europe like a colossus. Germany is winning on every front. This is the story of how one of the world’s first commando units, put together for the invasio...

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.