James R. Benn Books

Rag and bone

By James R. Benn

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Evil for Evil

By James R. Benn

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Irish-American Army Lieutenant Detective Billy Boyle returns to his family's homeland only to get sucked into a complex web of wartime intrigue.Autumn, 1943: Fifty Browning Automatic Rifles and tho...

Billy Boyle

By James R. Benn

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A mortal terror

By James R. Benn

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In his time investigating crimes for both the Boston cops and General Ike's European forces, Lieutenant Billy Boyle hasn't encountered a serial killer. But now it looks like he may--a serial killer...

Rag and Bone

By James R. Benn

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The fifth Billy Boyle investigationAmerican Lieutenant Billy Boyle is assigned to London by his uncle, General Dwight D. Eisenhower, to investigate the murder of a Russian security officer in the b...

Blood alone

By James R. Benn

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A Mortal Terror

By James R. Benn

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In his sixth investigation, Lieutenant Billy Boyle finds himself in pursuit of a serial killer with a particularly frightening agenda.  1943: US Army Lieutenant Billy Boyle, an ex-cop who serv...

Death s door

By James R. Benn

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Death's Door

By James R. Benn

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Will Billy risk everything to save his girlfriend, a British spy, even possibly getting the Vatican involved in the war?When an American monsignor with high-level political contacts is found murder...

Billy Boyle

By James R. Benn

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What’s a twenty-two-year-old Irish American cop who’s never been out of Massachusetts before doing at Beardsley Hall, an English country house, having lunch with King Haakon of Norway?...

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.