Ivan Reis Books

Arkham Asylum may have been decimated during A-DAY, but its legacy lives on. Bloody, broken, and beaten…but Batman has a mission.When the terrorist organization known as THE RED CROWN t...

Batman - One Bad Day: Ra's Al Ghul

By Tom Taylor

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WHY WON’T BATMAN SAVE THE WORLD?!2023 Eisner Nominee - Best Limited SeriesFor centuries Ra’s al Ghul has wanted to save the Earth from the worst of humankind, and for centuries he has f...

Batman: Detective Comics Vol. 4: Riddle Me This

By Mariko Tamaki

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Riddle me this…when is a criminal not a criminal?The answer awaits you in Batman: Detective Comics Vol. 4: Riddle Me This!The Riddler is back in Gotham City in a big way, becoming a media pe...

Batman: Detective Comics Vol. 4 Riddle Me This

By Mariko Tamaki

Average: 0.00, 0 Ratings

Riddle me this…when is a criminal not a criminal?The answer awaits you in Batman: Detective Comics Vol. 4: Riddle Me This!The Riddler is back in Gotham City in a big way, becoming a media pe...

Batman: Detective Comics Vol. 3: Gotham Nocturne: Act II

By Dan Watters

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WHAT LIES BENEATH GOTHAM?The Dark Knight investigates below the old ruins of Arkham Asylum, uncovering a demon-infested mystery tying Gotham to the Orgham family from centuries back...including the...

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.

Ivan Reis Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?