Felix J. Palma Books

The map of time

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London, 1896. Andrew Harrington's lover Marie Kelly was murdered by Jack the Ripper and he longs to turn back the clock and save her. Meanwhile, Claire Haggerty, forever being matched with men her...

The Map of Chaos A Novel The Map of Time Trilogy

By Felix J. Palma

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The Map of Chaos

By Felix J. Palma

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The Heart and Other Viscera

By Felix J. Palma

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The Map of Chaos

By Felix J. Palma

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The Heart and Other Viscera

By Felix J. Palma

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La carte du temps

By Felix J. Palma

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A Londres, en 1896, líagence de voyages dans le temps Murray propose au public ´ las de voyager dans líespace ª de voyager ´ dans la quatrième dimension ª, précisément e...

Die Landkarte der Zeit

By Felix J. Palma

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Die Landkarte des Himmels

By Felix J. Palma

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Von der Liebe und anderen Korperteilen

By Felix J. Palma

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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.