Joachim Fest Books

Inside Hitler's Bunker: The Last Days of the Third Reich

By Joachim Fest

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Die unwissenden Magier. Uber Thomas und Heinrich Mann

By Joachim C. Fest, Joachim Fest

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Im Gegenlicht. Eine italienische Reise

By Joachim C. Fest, Joachim Fest

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Die schwierige Freiheit. Uber die offene Flanke der offenen Gesellschaft.

By Joachim C. Fest, Joachim Fest

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"Albert Speer is a great enigma. An unemployed, mediocre architect when Hitler came to power in 1933, he was soon designing the Third Reich's most important buildings, developing grandiose plans to...

Speer: The Final Verdict

By Joachim Fest

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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.