Leonard Kirk Books

Untold Tales Of The New Universe TPB

By Arnold Pander, Tony Bedard, Peter David, Fred Van Lente, Tony Lee, Javier Paludo, Jeff Parker, Carmine Di Giandomenico, Leonard Kirk, C. B. Cebulski, M. D. Bright

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Spider Man Family Vol. 1

By Paul Benjamin, Paul Tobin, Sean McKeever, Fred Van Lente, Terrell Bobbett, Vasilis Lolos, Pierre Alary, Leonard Kirk

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Spider Man Family

By Chris Giarrusso, Jeff Parker, Leonard Kirk, Various

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What If

By Ed Brubaker, Paul Tobin, Kevin Grevioux, Harvey Tolibao, Christos Gage, Fred Hembeck, Gustavo, Larry Stroman, David Hine, Clayton Henry, Rafael Sandoval, Juan Santacruz, Marko Djurdjevic, Jeff Parker, Christopher Yost, Greg Pak, Leonard Kirk

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Fantastic Four

By James Robinson

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The internet-wrecking end of the Fantastic Four is here! The team meets the All-New Invaders as the hunt for Reed Richards and the missing Future Foundation kids continues! Meanwhile, the mastermin...

Second Coming

By Andy Troy, Patton Oswalt, Richard Pace, Mark Russell, Leonard Kirk

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Freshmen Volume 1 Freshmen

By Seth Green, Hugh Sterbakov, Leonard Kirk

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Solus

By Barbara Kesel

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JSA

By David S. Goyer, Patrick Gleason, Geoff Johns, Leonard Kirk

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Second Coming no 01

By Ignacio Bentz, Mark Russell, Leonard Kirk

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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.