Sergey A İvanov Books

Pearls Before Swine

By Ivanov S.A.

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In search of Constantinople. A guidebook through Byzantine Istanbul and its surroundings

By Sergey A Ivanov

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Holy Fools In Byzantium And Beyond (Oxford Studies In Byzantium)

By С. А. Иванов, Sergey A İvanov, Simon Franklin

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There are saints in Orthodox Christian culture who overturn the conventional concept of sainthood. Their conduct may be unruly and salacious, they may blaspheme and even killyet, mysteriously...

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.