Robert Rotenberg Books

Old City Hall

By Robert Rotenberg

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Landscape and power in Vienna

By Robert Louis Rotenberg

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Each group that has held political power in Vienna over the past three centuries has left its mark on the city's history, institutions, and architecture. In Landscape and Power in Vienna, Robert Ro...

Old city hall

By Robert Rotenberg

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Old City Hall

By Robert Rotenberg

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Old City Hall

By Robert Rotenberg

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A celebrity confesses to murder, then refuses to say anything more, leading to a strange trial when contradictory evidence appears.

Stray Bullets

By Robert Rotenberg

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Stranglehold

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The guilty plea

By Robert Rotenberg

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Stray Bullets

By Robert Rotenberg

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Stray Bullets

By Robert Rotenberg

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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.