Mark Clapham Books

Beige Planet Mars

By Mark Clapham, Parkin Lance, Lance Parkin

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Surrounded by death on Mars, Bernice and her errant ex-husband Jason must solve a murder and unmask a traitor to save millions of lives threatened by a forgotten horror.

Twilight Of The Gods

By Mark Clapham, Jon De Burgh Miller, Jon DeBurgh Miller, John De Burgh Miller, Clapham, Mark, Miller, John De Burgh

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The final show-down. The older races, scared by the arrival of the gods on planet Dellah, had left our galaxy. But now the gods are weakened, they are about to come back. War is imminent and humank...

Hope

By Mark Clapham

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Soul Searching

By Mark Clapham, Jim Smith

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Secret Identities: The Unofficial And Unauthorised Guide To Alias

By Mark Clapham, Lance Parkin

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Alias, the hit espionage TV series, mixes high-tech spy action, glamorous disguises, shocking plot twists and an ongoing family saga into one of the most clever and entertaining television shows in...

Who'S Next: An Unofficial And Unauthorised Guide To Doctor Who

By Mark Clapham, Eddie Robson, Jim Smith, Eddie Robson, Mark Clapham, Jim Smith

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The BBC describes Doctor Who as the most poular ongoing series it has ever made. More than 40 years after the first episode aired, the cult series returned to the small screen with a huge budget an...

Tyrant Of The Hollow Worlds

By Mark Clapham

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Chaos Warlord Huron Blackheart And His Red Corsairs Launch A Devastating Conquest Of The Hollow Worlds Of Lastrati. The Imperium Fights A Constant Battle To Defend Itself From Its Many Enemies, But...

Glory Imperialis: An Astra Militarum Omnibus

By Mark Clapham, Richard Williams, Andy Hoare

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Sagas Of The Space Wolves: The Omnibus

By Aaron Dembski-Bowden, Mark Clapham, Andy Smillie, Ben Counter, Robbie MacNiven, Nick Kyme, David Annandale, Alec Worley, Cavan Scott, Lee Lightner, Dembski-Bowden, Aaron, Annandale, David, MacNiven, Robbie, Counter, Ben, Kyme, Nick, Smillie, Andy, Scott, Cavan, Clapham, Mark, Lightner, Lee, Worley, Alec

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Bumper Omnibus collecting together some of Black Library's most loved Space Wolves stories for the first time. Born on the icy world of Fenris, few amongst the brotherhoods of the Adeptus Astartes...

Bernice Summerfield Secret Histories

By Mark Clapham, Lance Parkin

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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.