Katana Collins Books

As the investigation into her sister's murder continues, forensic photographer Jessica remains committed to finding the killer and navigating her own complicated relationship with Sam, the local de...

Batman: White Knight Presents: Harley Quinn

By Katana Collins

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The Joker is dead. Batman is behind bars. In a new age of villains, only Harley can save Gotham. Two years after Azrael wiped out Gotham's deadliest villains in Batman: Curse of the White Knig...

Soul survivor

By Katana Collins

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"With immortality comes a craving that can't be satisfied, a need never fulfilled. . . Once an angel, now a demon, Monica is still a succubus with an insatiable desire for sex. The more the better....

Soul survivor

By Katana Collins

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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.