Otto B. Kraus Books

The Dream Merchant and Other Galilean Stories

By O. B. Kraus

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El maestro de Auschwitz

By Arturo Peral, Otto B. Kraus

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Children s Block

By Otto B. Kraus

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Children s Block

By Otto B. Kraus

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El maestro de Auschwitz The Children's Block of Auschwitz: Basado En La Historia Real Del Bloque 31 Based on a True Story by Auschwitz Survivor

By Otto B. Kraus Arturo Peral

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Una novela extraordinaria basada en una desgarradora historia real... Alex Ehren es poeta y maestro en el bloque número 31 de Auschwitz-Birkenau, el bloque de los niños. Pasó s...

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.