Gordon Rennie Books

DON'T MISS THE STUNNING FIRST COLLECTION OF THE FOURTH DOCTOR'S ALL-NEW COMICS ADVENTURES!     The Fourth Doctor appeared in 172 episodes of Doctor Who. This incarnati...

Judge Dredd

By Gordon Rennie, Alan Grant, John Wagner

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Doctor Who: The Lost Dimension Book 2

By Written By Nick Abadzis Cavan Scott George Mann Gordon Rennie Emma Beeby With Art By Ivan Rodriguez Wellington Diaz Mariano Laclaustra

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The most epic Doctor Who event ever, as every incarnation of the Doctor - and friends and enemies old and new - unites to push back the threat of the Void: the empty space between universes that ha...

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.