Benjamin Harper Books

STAR WARS Flieger falten

By Benjamin Harper

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Pleasure Pain cd Jewel Box

By Benjamin Harper

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Loco por Star Wars

By Benjamin Harper

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With 2,500 new questions to test your knowledge of the saga, this will challenge, delight, and stump even the most passionate and knowledgeable Star Wars fan.

STAR WARS

By Benjamin Harper, Ignacio Bentz

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Construye tu propio Darth Vader

By Benjamin Harper, Daruma Serveis Linguistics S.L.

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Construye tu propio Halcon Milenario

By Benjamin Harper, Daruma Serveis Linguistics S.L.

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Star Wars. Contruye tres batallas miticas

By Benjamin Harper, Daruma Serveis Linguistics S.L.

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Going bananas

By Benjamin Harper

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When a priceless yellow diamond is stolen from the museum, Superman, Batman, and the other Super Friends follow the clues and discover that Gorilla Grodd is using the diamond to create an army of y...

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.