Michael Ohl Books

The Art of Naming

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From Tyrannosaurus rex to Heteropoda davidbowie: scientific naming as a joyful and creative act.Tyrannosaurus rex. Homo sapiens. Heteropoda davidbowie. Behind each act of scientific naming is a sto...

Art of Naming

By Elisabeth Lauffer, Michael Ohl

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Art of Naming

By Elisabeth Lauffer, Michael Ohl

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The Art of Naming

By Elisabeth Lauffer, Michael Ohl

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Exploring scientific naming as a joyful and creative act—from a lizard named after Jim Morrison to the Ampulex dementor wasps inspired by Harry Potter! Tyrannosaurus rex. Homo sapiens. Heteropoda...

Art of Naming

By Elisabeth Lauffer, Michael Ohl

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Stachel und Staat

By Michael Ohl

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Schwimm Nicht Mit Jean Baptiste

By Michael Ohl

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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.