Roberto Aguirre Sacasa Books

Chilling Adventures of Sabrina: Occult Edition

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From the author of the New York Times best-selling graphic novel Afterlife with Archie: Escape from Riverdale comes the horror sensation Chilling Adventures of Sabrina. This title contains Roberto...

Riverdale Vol. 3

By Roberto Aguirre Sacasa

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From Roberto Aguirre-Sacasa and the writers of the CW's Riverdale comes the third collection of the comic book set in the universe of the TV series. RIVERDALE VOL. 3 offers a bold, subversive take...

Riverdale Vol. 2

By Roberto Aguirre Sacasa

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From Roberto Aguirre-Sacasa and the writers of the CW's Riverdale comes the second collection of the comic book set in the universe of the TV series. RIVERDALE VOL. 2 offers a bold, subversive take...

Riverdale Vol. 1

By Roberto Aguirre Sacasa

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From Roberto Aguirre-Sacasa and the writers of the CW's Riverdale comes the first collection of the comic book set in the universe of the TV series. RIVERDALE VOL. 1 offers a bold, subver...

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.