Tobias Books

Tobias 13th Machine
Tobias 13th Machine

By Tobias

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Tobias 15th Machine
Machine Tool Design Research
Machine Tool Design Research

By Tobias

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Easy or hard?
Easy or hard?

By Tobi Tobias

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Simple yet thought provoking questions which stem from one basic question--is it easy or hard?

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The Only Investment Guide You'll Ever Need
Only Othr Invstcst
Only Othr Invstcst

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Fatal Exposure
Fatal Exposure

By Tobias

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Pot What It is
Pot What It is

By Ann Tobias

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Marian Anderson.
Marian Anderson.

By Tobi Tobias

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A biography of the Negro concert artist who ultimately triumphed in her struggle for recognition.

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Stress and the Heart

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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.

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