Michael Hoffmann Books

Volkszahlung '87

By Hoffmann Michael.

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Sportklettern

By Michael Hoffmann

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Sicher sichern

By Michael Hoffmann

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Activity and Sign: Grounding Mathematics Education

By Falk Seeger, Michael H.G. Hoffmann, Johannes Lenhard

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The advancement of a scientific discipline depends not only on the "big heroes" of a discipline, but also on a community’s ability to reflect on what has been done in the past and what should be do...

Activity and sign

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Krauter

By Michael Hoffmann, Ralf Frenzel, Guido Bittner

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100 Wonders of the World

By Alexander Krings, Michael Hoffman

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100 merveilles du monde

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Mammals of Africa

By Jonathan Kingdon

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Enciclopedia Mega naturaleza y ecologia

By Michael Hoffmann, Silvia Espejel, Enrique Palos

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Descubre los más bellos paisajes de los cinco continentes, conoce sus principales especies y comprende por qué la naturaleza está en peligro. Discover the most beautiful places in the world, learn...

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.