Manuela Mayer Books

Querschnitt

By Mona Garloff, Manuela Mayer, Marion Romberg, Doris Gruber

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1716 1718

By Manuela Mayer, Claudia Sojer, Patrick Fiska, Ines Peper

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Die gelehrte Korrespondenz der Bruder Pez Text Regesten Kommentare Band 2

By Thomas Wallnig

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This 1500-page volume contains the correspondence of the brothers Pez from 1716 lo 1718'. 557 letters , 256 of which have actually been preserved. These letters show the two historians, and monks o...

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.