Joseph Payne Brennan Books

Nine Horrors and a Dream

By Joseph Payne Brennan

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Edges of night

By Joseph Payne Brennan

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Night Visions 2

By Karl Edward Wagner, David Morrell, Joseph Payne Brennan

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Sixty selected poems

By Joseph Payne Brennan

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Ghor Kin Slayer

By Marion Zimmer Bradley, Michael Moorcock, Darrell Schweitzer, Ramsey Campbell, Andrew J. Offutt, Charles Saunders, A. E. Van Vogt, Frank Belknap Long, Adrian Cole, Brian Lumley, Richard L. Tierney, Richard A. Lupoff, Joseph Payne Brennan, H. Warner Munn, Manley Wade Wellman

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Robert E. Howard, the famed fantasy author, wrote the first chapter of an unfinished novel which was found among his files after his death. The novel was completed by sixteen other authors. Van Vog...

Chronicles of Lufius Leffing

By J.P. Brennan

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Creep to Death

By Joseph Payne Brennan

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Evil always ends

By Joseph Payne Brennan

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The adventures of Lucius Leffing

By Joseph Payne Brennan

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The Ithaqua Cycle

By Stephen Mark Rainey, James Ambuehl, Scott H. Urban, Robert M. Price, G. Warlock Vance, Pierre Comtois, George Allen England, Ii Diezel George C., Algernon Blackwood, Randy Medoff, Brian Lumley, Gordon Linzner, Joseph Payne Brennan, August Derleth

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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.