James R. Benn Books

A Blind Goddess

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March, 1944: US Army Lieutenant Billy Boyle, back in England after a dangerous mission in Italy, is due for a little R&R, and also a promotion. But the now-Captain Boyle doesn't get to kick back an...

The Rest Is Silence

By James R. Benn

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The fog of war surrounding D-Day and Operation Tiger provides cover for one of Billy Boyle's grisliest investigations.When an unidentified corpse washes ashore at Slapton Sands on England's souther...

The White Ghost

By James R. Benn

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In the Pacific during WWII, Billy Boyle must discover if skipper, and future president, Jack Kennedy is a cold-blooded killer.1943: In the midst of the brutal, hard-fought Solomon Islands campaign...

Blue Madonna

By James R. Benn

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Billy Boyle, World War II US Army detective and ex-Boston cop, faces his toughest investigation yet: infiltrating enemy lines in France as the Allies invade Normandy.May 1944: Captain Billy Boyle i...

The Devouring

By James R. Benn

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A murder in wartime Switzerland reveals Swiss complicity with the Nazis in World War II, and US Army detective Billy Boyle is called to investigate.Europe, 1944: Captain Billy Boyle and his friend...

When Hell Struck Twelve

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Solemn Graves

By James R. Benn

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US Army detective Billy Boyle is called to investigate a mysterious murder in a Normandy farmhouse that threatens Allied operations.   July, 1944, a full month after D-Day. Billy, Kaz, and Big...

The Red Horse

By James R. Benn

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England, 1944: Recovering from physical and psychological wounds sustained in the liberation of Paris, US Army detective Billy Boyle and Lieutenant Kazimierz are sent to a convalescent ho...

When Hell Struck Twelve

By James R. Benn

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In the 14th Billy Boyle mystery, US Army detective Billy Boyle and Lieutenant Kazimierz travel into the heart of Nazi-occupied Paris on a dangerous mission: ensure a traitor to the French Resistanc...

The Red Horse

By James R. Benn

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England, 1944: Recovering from physical and psychological wounds sustained in the liberation of Paris, US Army detective Billy Boyle and Lieutenant Kazimierz are sent to a convalescent ho...

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.