Grant Perkins Books

Nightmare World Omnibus

By James Reddington, Jeff Welborn, Mark Matlock, Howie Noel, John Marroquin, Grant Perkins, Anthony Peruzzo, Seth Damoose, Austin McKinley, Erich Owen, Kristen Perry, Leah Lederman, Jason Meek, Dirk Manning, Renae De Liz, Stacie Pondar, Josh Ross, Len O Grady

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The great drain robbery

By Jai Nitz

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The penguins of Madagascar's latest undercover operation pits them against an army of angry rats!

The Penguins and the North Wind have teamed up! But, the two teams argue so much that they're soon on the wrong foot. The North Wind and the Penguins discover that the Elitist-est of the Elite titl...

Bayani and the Nine Daughters of the Moon

By Rich Bloom, Grant Perkins, Travis McIntire

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Tinch

By Grant Perkins, Harry Markos, Andy Briggs

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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.