Simon Hanselmann Books

Megg Mogg in Amsterdam

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Megg the witch, Mogg the cat, their friend Owl, and Werewolf Jones struggle unsuccessfully with their depression, drug use, sexuality, poverty, lack of ambition, and their complex feelings about ea...

One more year

By Simon Hanselmann

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Worst behaviour

By Simon Hanselmann

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A brand new book from Simon Hanselmann, the cartoonist behind The New York Times best-selling graphic novel, Megahex. Worst Behaviour is an all-new, book-length story featuring Megg, Mogg, and Owl...

Megg Mogg and Owl 2

By Simon Hanselmann

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Megg Mogg and Owl a Amsterdam

By Simon Hanselmann

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Megg Mogg and Owl Happy Fucking Birthday

By Simon Hanselmann

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Hail Satan

By Simon Hanselmann, Cesar Sanchez Rodriguez, Alberto Garcia Marcos

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Melancolia

By Simon Hanslemann, Cesar Sanchez Rodriguez, Alberto Garcia Marcos, Joana Carro Perez

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Hechizo total

By Simon Hanselmann, Cesar Sanchez Rodriguez, Alberto Garcia Marcos

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Bahia de San Buho

By Simon Hanselmann, Cesar Sanchez Rodriguez, Alberto Garcia Marcos

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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.