Jacob Boas Books

Jewish teenagers David, Yitzhak, Moshe, Eva, and Anne all kept diaries and were all killed in Hitler's death camps. These are their stories, in their own words. Author Jacob Boas is a Holocaust sur...

Eva Dawid Moshe Yitschak en Anne

By Jacob Boas

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My svideteli

By Akob Boas

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Дневники еврейских подростков - свидетелей геноцида евреев на оккупированных нацистской Германией территориях Литвы, Польши, Венгрии, Бельгии и Голландии (1940-1944)

We Are Witnesses

By Jacob Boas

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Writers Block

By Jacob Boas

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Writers Block

By Jacob Boas

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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.

Jacob Boas Books

Boulevard des Miseres

We are witnesses

We Are Witnesses

We Are Witnesses

We Are Witnesses

Eva Dawid Moshe Yitschak en Anne

My svideteli

We Are Witnesses

Writers Block

Writers Block

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?