J. Calafiore Books

Green Arrow

Average: 0.00, 0 Ratings

Oliver Queen has proven that, with a little determination, anyone can fight injustice, so two of his greatest foes, Dr Light and the dark archer Merlyn, plot an attack against Green Arrow and his f...

Leaving Megalopolis: Surviving Megalopolis

By Written By Gail Simone. Illustrated By J. Calafiore. Colors By Jason Wright. Letterer David Sharpe.

Average: 0.00, 0 Ratings

Fan-favorite creators Gail Simone (Batgirl, Deadpool) and J. Calafiore (Secret Six, Exiles) return to the city whose citizens are hunted, not by villains, but by heroes! The survivors of Leaving Me...

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.