Peter Deriabin Books

"In this new book, the first major post-Stalin defector exposes the crimes of Soviet leaders during the critical Cold War period from 1947 to 1954. Inside Stalin's Kremlin is the first comprehensiv...

Inside Stalin s Kremlin

By Peter S. Deriabin

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Strazhi Kremlia ot okhranki do 9-go upravleniia KGB

By Peter Deriabin

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Watchdogs of Terror

By Thomas F. Troy, Peter Deriabin

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Kremlin s Espionage and Terror Organizations

By Peter Deriabin, United States Congress House Commi

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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.