John Ostrander Books

Elfquest Reader s Collection 14a

By John Ostrander, Wendy Pini, Dennis Fujitake

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Showcase Presents

By John Ostrander

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DC

By John Ostrander, Keith Champagne

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The Spectre

By John Ostrander

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"In these never-before-collected tales from the 1990s, police detective Jim Corrigan tries to end his mission as The Spectre. But the grisly crimes of a serial killer pulls him back into the battle...

Martian Manhunter

By John Ostrander

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"The Martian Manhunter, one of the key heroes in The New 52, stars in this new title collecting his popular 1998 series. Featuring moody art by writer John Ostrander's frequent collaborator, Tom Ma...

The Spectre

By John Ostrander

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In these never-before-collected tales from the 1990s, the Spectre witnesses genocide on a global scale, leading him to sit in judgement on humanity itself. And when he decides to wipe out the human...

Suicide Squad Vol. 2

By John Ostrander

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Suicide Squad

By John Ostrander

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"The Suicide Squad has always been held in check by their leader Amanda Waller. But it becomes clear that Waller is sending her agents on missions in the pursuit of her own private agenda called Th...

Suicide Squad Vol. 6

By John Ostrander

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Suicide Squad Vol. 7

By John Ostrander

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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.