Paul Hoogma Books

Uncle Scrooge

By Frank Jonker, Miquel Pujol, Freddy Milton, Evert Geradts, Paul Hoogma, Luca Boschi, Romano Scarpa, Giorgio Pezzin, Jonathan Gray, Rodolfo Cimino, Alberto Savini, Jan Kruse

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Walt Disney s Uncle Scrooge.

By Frank Jonker, Dick Kinney, Pedro Alferez Canos, Pat McGreal, Al Hubbard, Paul Hoogma, Francisco Rodriguez Peinado, Bas Heymans, Carol McGreal, Lars Jensen, Carl Barks

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Six new adventures of Uncle Scrooge McDuck and his nephews.

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.