Perspective Books

When to Walk Away Video Study: Finding Freedom from Toxic People

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In this six-session video Bible study (guide sold separately), bestselling author Gary Thomas draws on Jesus' example to teach us how to handle difficult relationships—and to help us discern when w...

Cultures in Conflict Video Study: Paul Proclaims Jesus As Lord - Part 2

By Ray Vander Laan

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How do you live in a culture where the worldview conflicts with Christianity? Learn from the Apostle Paul as he presents his beliefs to the most powerful court in Athens and settles among the Greco...

Inne obrazy

By Maria Poprzecka

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Sobre as origens da perspectiva em Portugal

By Joao Pedro Xavier

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Architecture et perspective chez Brunelleschi et Alberti

By Giulio Carlo Argan

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Dall'immagine mnemonica all'immagine proiettiva

By Roberto Monticolo

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Sheng tikara fei xiangsuruato

By Hideki Nakamura

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Draw Funny 3 D Pictures

By Luke Colins

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Sistema diedrico y perspectivas

By Juan Beltran Chica

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Sobre la supuesta perspectiva antigua y algunas consecuencias modernas

By Jose Maria Gentil Baldrich

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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.