Joaquim Paulo Books

Jazz covers

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From the 1940s through to the decline of LP production in the early 1990s, each chosen cover design is distinct in the way it compliments the energy of the album's music with its own visual rhythms...

Funk Soul Covers

By Joaquim Paulo

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Funk and Soul Covers

By Joaquim Paulo

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Jazz Covers

By Joaquim Paulo

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Jazz Covers. 40th Ed

By Julius Wiedemann, Joaquim Paulo

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Funk and Soul Covers. 40th Ed

By Julius Wiedemann, Joaquim Paulo

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Funk and Soul Covers

By Joaquim Paulo

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Funk and Soul Covers

By Joaquim Paulo

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Jazz Covers: 2 Volumes

By Joaquim Paulo

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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.