David I. Kertzer Books

The Pope and Mussolini

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PULITZER PRIZE WINNER  • NAMED ONE OF THE BEST BOOKS OF THE YEAR BY SAN FRANCISCO CHRONICLE From National Book Award finalist David I. Kertzer comes the gripping story of...

The Pope and Mussolini

By David I. Kertzer

Average: 0.00, 0 Ratings

PULITZER PRIZE WINNER  • NAMED ONE OF THE BEST BOOKS OF THE YEAR BY SAN FRANCISCO CHRONICLE From National Book Award finalist David I. Kertzer comes the gripping story of...

The Kidnapping of Edgardo Mortara

By David I. Kertzer

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Bologna, 1858: A police posse, acting on the orders of a Catholic inquisitor, invades the home of a Jewish merchant, Momolo Mortara, wrenches his crying six-year-old son from his arms, and rushes h...

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.