David Cromarty Books

Bernice Summerfield Something Changed

By James Swallow, Jonathan Clements, Dave Stone, Pete Kempshall, Ian Farrington, Simon Guerrier, John Isles, Joseph Lidster, Eddie Robson, Ben Woodhams, Ben Aaronovitch, Ian Mond, David Cromarty, Dave Hoskin, Sin Deniz, Simon (Ed) Guerrier

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This book is a short story anthology set in Big Finish Productions' Professor Bernice Summerfield series. Bernice Summerfield appears in many original New Adventures of Doctor Who novels, as well...

Christmas Around The World

By Joff Brown, John Binns, David Bailey, William Potter, Laurence Donaghy, Kate Orman, Rebecca Levene, James Moran, Matthew Griffiths, Lisa Miles, Andrew Pidoux, Ian Farrington, Simon Guerrier, Jason Arnopp, Bev Allen, Andrew Cartmel, Eddie Robson, Xanna Eve Chown, Gareth Wigmore, David Cromarty, J.J. Secker

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Short Trips: Christmas Around the World is a Big Finish original anthology edited by Xanna Eve Chown and based on the long-running British science fiction television seriesDoctor Who. The theme of...

Orbit: Ringo Starr

By Victor Moura, David Cromarty

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Tidalwave Has Created The Comic Book Biographies On The Other Beatles, So Now It Is Time To Read About The World Of Sir Ringo Starr In Comic Book Form. Read About How Overcame Life-threatening Illn...

Orbit: The Beatles: John Lennon, Paul McCartney, George Harrison And Ringo Starr

By David Cromarty, Carlos Pagola Morales

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The Fab Four has conquered the world of music, stage and film but now as a graphic novel. TidalWave has brought you each of their stories as individuals into the comic book realm, but now they are...

Orbit: Ringo Starr

By David Cromarty

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TidalWave has created the comic book biographies on the other Beatles, so now it is time to read about the world of Sir Ringo Starr in comic book form. Read about how overcame life-threatening illn...

Orbit: Ringo Starr

By David Cromarty

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Comic Book On Ringo Starr

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.