Torunn Gronbekk Books

Valkyrie T02

By Torunn Gronbekk, Jason Aaron, Cafu, Pere Perez

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REALM OF X

By Torunn Gronbekk

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Stranded in Vanaheim! Leaping straight from the astonishing aftermath of the Hellfire Gala, the unlikely group of Magik, Mirage, Marrow and Dust must somehow find a way to work alongside…Typhoid Ma...

VENOM BY AL EWING VOL. 6: INFILTRATION

By Torunn Gronbekk

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The sting of the widow! Natasha Romanoff crosses paths with the symbiotes in a way that will leave them both changed…forever! Can the Black Widow resist the symbiote's corrupting and violent influe...

CARNAGE VOL. 2: SYMBIOSIS NECROSIS

By Torunn Gronbekk

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The symbiotic psychopath continues his reign of terror! Born anew in symbiote goo and blood, Cletus Kasady is more dangerous and violent than ever before - and he has his sights dead set on the uns...

PUNISHER WAR JOURNAL

By Torunn Gronbekk

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The Punisher’s war has evolved — and it’s time for a new volume of his war journal! Three thrilling tales explore Frank Castle’s updated modus operandi through some of his deadliest missions yet! F...

JANE FOSTER & THE MIGHTY THOR

By Torunn Gronbekk

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Will Jane Foster don the mantle of Thor once more? When Mjolnir comes crashing through Valkyrie's window, she fears the worst has happened to the God of Thunder. Where is Thor, and why did his migh...

Catwoman Vol. 1: Who is Selina Kyle?

By Torunn Gronbekk

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Catwoman is back in action with a fresh start perfect for new readers, as she’s taken away from Gotham City and back to her roots as an international thief!Selina Kyle does not...

Catwoman Vol. 2

By Torunn Gronbekk

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Selina Kyle has been on the run from her past and herself, but when her demons begin to catch up to her, she finds herself (and her identity) at a crossroads! From Torunn Gronbekk, Catwoman continu...

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.