Raymond Khoury Books

The Sanctuary

By Raymond Khoury

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The Ottoman Secret

By KHOURY RAYMOND

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The last templar

By Raymond Khoury

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The Sanctuary

By Raymond Khoury

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After centuries of destruction, one unsuspecting woman stands at the center of a conspiracy that could change the world forever in this thriller from the New York Times bestselling author of The La...

The Sanctuary

By Raymond Khoury

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The Sign

By Raymond Khoury

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The Templar Salvation

By Raymond Khoury

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From New York Times bestselling author Raymond Khoury comes a “a full-throttle action-adventure thriller” (Library Journal) that's even more shocking and explosive than The Last Templar… Constant...

The Devil s Elixir

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The devil s elixir

By Raymond Khoury

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Overview: Sean Reilly and Tess Chaykin, the heroes of Raymond Khoury's New York Times bestselling Templar novels, return in an edge-of-your-seat thriller that reaches from the present day back to...

Rasputin's shadow

By Raymond Khoury

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Joined by Russian FSB agent Larisa Tchoumitcheva, FBI agent John Reilly investigates the apparent suicide of a Russian embasy attache and uncovers a deadly search for a mysterious device whose orig...

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.