Ivan Biliarski Books

Word and power in mediaeval Bulgaria

By Ivan Biliarski

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The tale of the prophet Isaiah

By Ivan Biliarski

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"In The Tale of the Prophet Isaiah : The Destiny and Meanings of an Apocryphal Text Ivan Biliarsky proposes an edition of the original text of the medieval apocryphon, together with images of the s...

Ius et Ritus

By Ivan Biliarski

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Pokroviteli na TSarstvoto

By Ivan Biliarski

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Publichno i kanonichnopravna leksika v bulgarskoto srednovekovno prostranstvo

By Ivan Biliarski

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Paleologoviiat sinodik v slavianski prevod

By Ivan Biliarski

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Skazanie na Isaia Proroka i formiraneto na politicheskata ideologiia na rannosrednovekovna Bulgariia

By Ivan Biliarski

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The Balkans and Caucasus

By Ovidiu Cristea, Ivan Biliarski, Anca Oroveanu

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The tale of the prophet Isaiah

By Ivan Biliarski

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Fiskalna sistema na srednevekovna Bulgariia

By Ivan Biliarski

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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.