Bill Mantlo Books

X Men Epic Collection

By Bill Mantlo, Len Wein, Chris Claremont

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"Urban vigilantes Cloak and Dagger tackle drug dealer and police corruption! But as Cloak embraces his darkness, visiting terror on servants of sin, Dagger yearns for the light. Can the young heroe...

Cloak Dagger

By Bill Mantlo

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Cloak and Dagger step out of the darkness and into the light! But will this pair of violent vigilantes be friends or foes for the spectacular Spider-Man? The young duo's war on drugs will put crime...

Howard the Duck

By Steve Skeates, Bill Mantlo, Alan Kupperberg, Steven Grant

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Marvel Masterworks

By Bill Mantlo, Steve Gerber, Tom Defalco, David Michelinie

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Marvel Masterworks

By Jim Shooter, Bill Mantlo, Marv Wolfman

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Marvel Masterworks

By Bill Mantlo, Len Wein, Roy Thomas

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Swords of Swashbucklers TPB

By Bill Mantlo

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Transformers Classics Volume 7

By Ralph Macchio, Bob Budiansky, Simon Furman

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Transformers Classics Volume 8

By Bob Budiansky, Michael Higgins

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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.