Serena Valentino Books

How to Be a Werewolf

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Celebrate your inner beast — and harness that newfound animal magnetism! — with this essential guide to the lycanthropic lifestyle.Are you subject to savage moods, extreme and unexplain...

Gloom Cookie Vol. 1

By Serena Valentino, Naifeh

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A goth, graphic novel filled with romance, social satire, horror, and treachery.

Gloomcookie Volume Two

By Serena Valentino, John Gebbia

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An anthology of short stories including the story of a queen throwing a ball, girls talking about their dates, lighting up cigarettes, and cursing at each other and a "Bad Goth Party", where Vermil...

Nightmares and Fairy Tales

By Serena Valentino, FSc

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GloomCookie

By Serena Valentino, Breehn Burns

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The drama continues with GloomCookie's third collection. Lex and Damion are haunted by a terrible curse, Sebastian struggles to understand his increasing powers, and Chrys learns about her past.

Evil Thing

By Serena Valentino

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Mother Knows Best

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Poor Unfortunate Soul

By Serena Valentino

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Serena Valentino's Villains Box Set

By Serena Valentino

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Fairest of All

By Serena Valentino

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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.