George Papp Books

The DC Comics Rarities Archives, Vol. 1

By Al Smith, Gardner F. Fox, Joseph Greene, Sheldon Mayer, Stan Aschmeier, Harry Lampert, Joe Kubert, Tom Hickey, Joe Shuster, Bill Finger, Homer Fleming, Howard Sherman, Raymond Perry, Henry Boltinoff, Jerry Siegel, Fred Guardineer, Sheldon Moldoff, Ed Whelan, Various, Joe Gallagher, Fred Schwab, Julius Schwartz, Bernard Baily, Harry G. Peter, Joseph Sherman, William Moulton Marston, Frank Harry, Paul Gustavson, Chad Grothkopf, Lynn Evans, John B. Wentworth, Creig Flessel, Bob Kane, Paul Reinman, Jack Burnley, Bud Fisher, George Papp, Everett E. Hibbard, Will Ely, Bert Christman, Ronald Santi, John L. Blummer, A.W. Nugent

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Reprinting for the first time some of DC Comics' rarest publictions from the Golden Age of comics, including three early anthology titles in their entirety. Features appearances by virtually every...

The Seven Soldiers of Victory Archives Vol. 1

By Various

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Seven Soldiers of Victory Archives VOL 03

By Joe Samachson

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Green Arrow

By Various

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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.