Ralph Blumenthal Books

The author of Last Days of the Sicilians presents a look into the Mafia in the tradition of Wiseguy and Boss of Bosses. Culled from years of wiretapping, here are the unexpurgated FBI tapes of mobs...

Last Days of the Sicilians

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July 12, 1979: The fearsome Bonanno family boss, Carmine Galante, is gunned down in a gruesome ambush at a Brooklyn restaurant. The hit launches an FBI investigation that soon becomes the largest i...

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.