Gary Northfield Books

What happens when you mix the gladiatorial combat of ancient Rome with a fast-talking creature who is DEFINITELY NOT A STRIPY HORSE?From a smelly water hole on the African savanna, Julius Zebra is...

Julius Zebra: Battle with the Britons!

By Gary Northfield Illustrated By Gary Northfield

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Think you know Julius Zebra? Think again! The handsome, fast-talking gladiatorial champion is sent on a zany adventure — to Britannia!Before Julius Zebra can have his freedom, Emperor Hadrian...

Julius Zebra

By Gary Northfield

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Irregularity

By Nick Harkaway, Claire North, James Smythe, Adam Roberts, E. J. Swift, Kim Curran

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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.