Josef Holub Books

An Innocent Soldier

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A sixteen-year-old farmhand is tricked into fighting in the Napoleonic Wars by the farmer for whom he works, who secretly substitutes him for the farmer's own son.

An innocent soldier

By Holub Josef

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A sixteen-year-old farmhand is tricked into fighting in the Napoleonic Wars by the farmer for whom he works, who secretly substitutes him for the farmer's own son.

The robber and me

By Holub Josef

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Because he knows that the man accused of robbery is innocent, an eleven-year-old orphan struggles to find the courage to reveal the truth to his uncle in their small German village in 1867.

The Robber and Me

By Elizabeth D. Crawford, Josef Holub

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Bonifaz und der Rauber Knapp

By Holub Josef

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Because he knows that the man accused of robbery is innocent, an eleven-year-old orphan struggles to find the courage to reveal the truth to his uncle in their small German village in 1867.

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.