John Lukacs Books

Last Rites

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Twenty years ago, John Lukacs paused to set down the history of his own thoughts and beliefs in Confessions of an Original Sinner, an adroit blend of autobiography and personal philosophy. Now, in...

Blood Toil Tears and Sweat

By John R. Lukacs

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Blood Toil Tears and Sweat The Dire Warning

By John Lukacs

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Short History of the Twentieth Century

By John Lukacs

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"The historian John Lukacs offers a concise history of the twentieth century--its two world wars and cold war, its nations and leaders. The great themes woven through this spirited narrative are in...

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.