Herman Kruk Books

The Last Days of the Jerusalem of Lithuania: Chronicles from the Vilna Ghetto and the Camps, 1939-1944

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"For five horrifying years, the librarian Herman Kruk recorded his own experiences and those of others, determinedly documenting the life and daily resistance of European Jews in the deepening shad...

Togbukh Fun Vilner Geto

By Herman Kruk

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Paskutines Lietuvos Jeruzales dienos

By Herman Kruk

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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.