Sebastian P. Brock Books

"The Pocket Dictionary is both a convenient academic resource and a door into the world of Modern Literary Syriac. With 13,000 entries drawn from the major existing works, it is a practical tool fo...

The martyrdom of St. Phokas of Sinope

By Sebastian P. Brock

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"The fame of the martyr St Phokas, first bishop of Sinope (on the Black Sea) and patron of seafarers, had spread to many parts of the Christian world by the fifth and sixth centuries. Although the...

Gorgias concise

By Sebastian P. Brock

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The martyrs of Mount Ber ain

By Sebastian P. Brock

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"The Martyrs of Mount Ber'ain is the poignant tale of an Iranian nobleman's three children, Adarparwa, Mihrnarse, and Mahdukht, who embrace Christianity after the youngest brother's near-death visi...

The Bible in the Syriac Tradition Gorgias Handbooks

By Sebastian P. Brock

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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.