Mark Henshaw Books

OUT OF THE LINE OF FIRE.

By Mark. Henshaw

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These Hidden Truths

By Mark William Henshaw

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The USS Vicksburg is returning home when the crew comes upon a lifeboat bearing a dead Somali pirate who shows signs of torture. Red Cell analysts Kyra Stryker and Jonathan Burke trace the dead man...

The fall of Moscow station

By Mark Henshaw

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When the Moscow Station is left in ruins after a major intelligence breach, CIA analyst Jonathan Burke and agent Kyra Stryker are fast on the trail of Alden Maines, an upper-level CIA officer whose...

The Fall of Moscow Station

By Mark Henshaw

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The Last Man in Tehran

By Mark Henshaw

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The snow kimono

By Mark Henshaw

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There are times in your life when something happens after which you're never the same. It may be something direct or indirect, or something someone says to you. But whatever it is, there is no goin...

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.