Written By John Books

Torchwood Vol. 3: The Culling

By Written By John, Carole Barrowman Illustrated By Neil Edwards

Average: 0.00, 0 Ratings

From the cult-hit, BAFTA Cymru award-winning TV show comes Torchwood, the comic that continues the story of Captain Jack Harkness and Gwen Cooper as they tackle alien-based cases beyond the scope o...

Tentacle Kitty: Tales Around the Teacup

By Written By John, Raena Merritt. Art By Jean Claudio Vinci.

Average: 0.00, 0 Ratings

The world according to Tentacle Kitty!Join "The Pink One" and friends as the whole tentacle kitty gang regales us with tales of action and adventure over tea! From hunting down cotton candy mice, t...

Torchwood Vol. 1: World Without End

By Carol Barrowman, Written By John

Average: 0.00, 0 Ratings

The members of the Torchwood Institute, a secret organization founded by the British Crown, fight to protect the Earth from extraterrestrial and supernatural threats.     T...

Tentacle Kitty: Tales Around the Teacup

By Written By John, Raena Merritt. Art By Jean Claudio Vinci.

Average: 0.00, 0 Ratings

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.