Jonathan Tweet Books

Przewodnik Mistrza Podziemi
Przewodnik Mistrza Podziemi

By Monte Cook

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Guia Del Dungeon Master
Guia Del Dungeon Master

By Dungeons Dragons

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Creative Campaigning Advanced Dungeons Dragons 2nd Edition Dungeon Master s Guide Rules Supplement 2133 DMGR5
Ars Magica Fifth Edition Ars Magica Fantasy Roleplaying
EVERWAY Silver Anniversary Edition Book 1
EVERWAY Silver Anniversary Edition Book 2
The Players Survival Guide
Ars magica
Ars magica

By

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Rivals of Esthedil Primal Order
13th Age Glorantha
13th Age Glorantha

By Jonathan Tweet, Rob Heinsoo

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Roleplaying in Glorantha for the 13th Age rules system.

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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.

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