Arvind Ethan David Books

Dirk Gently's Big Holistic Graphic Novel

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Douglas Adams' holistic detective Dirk Gently has his first two comic book adventures collected here. Containing two stand-alone series, enjoy A Spoon Too Short and The Interconnectedness of A...

Darkness Visible

By Mike Carey Arvind Ethan David Brendan Cahill

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When the demons came, humanity reluctantly learned to share the world with another sentient race. Sixty years later, this uneasy co-existence has spawned an endless terrorist conflict. Detective Da...

Gray

By Arvind David

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Raymond Chandler's Trouble Is My Business

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The hard-boiled world of Philip Marlowe, Raymond Chandler’s iconic private eye, comes to vivid life in this brilliant graphic novel adaptation of the classic noir tale.In 1940s Los Angeles, a sour-...

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.