Calum Chalmers Books

Burdizzo Mix Tape Volume One

By Calum Chalmers, Jonathan Butcher, Christopher Law, C M Franklyn, Duncan P Bradshaw, Daryl Duncan, J G Clay, Matthew Cash, Lex H Jones, Em Dehaney

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Weird Ales 3

By Marc Kadushin, Stuart Conover, Calum Chalmers, James Newman, Josh Reynolds, Gav Thorpe, Shane Porteous, Christopher Mark Stokes, Johnathan Butcher, E M Eastick, Daniel Hall

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Wild Things: Thirteen Tales Of Therianthropy

By Anna Taborska, Calum Chalmers, Laura Mauro, Darrel Duckworth, D S Ullery, Christopher Law, Johnny Mains, Rachel Halsall, Scott Shoyer

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Therianthropy Is More Than Just Werewolves... This Collection Of Thirteen Tales Of Shape-changers From Some Of The New Voices In Horror Fiction Features Mammals, Birds And Bugs, Among Others. Featu...

SPARKS

By CHALMERS CALUM. BAILEY PIPPA

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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.