Tobi Tobias Books

Are you obsessed by dress? Do you wonder if your obsession is a virtue or a vice? The flourish of a creative spirit or a sign of conformity to social norms? If so, you're in good company. Juxtaposi...

Tobias goes ice fishing

By Ole Hertz

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In Greenland, a boy and his father fish through the ice that covers a fjord.

Tobias has a birthday

By Ole Hertz

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Tobias, who lives on a Greenland settlement with his family, celebrates his twelfth birthday in the traditional manner.

Tobias goes seal hunting

By Ole Hertz

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In Greenland, a boy and his father hunt seals in their kayaks.

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.