Jerry Siegel Books

Superman The Dailies 1940 1941

By Jerry Siegel

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Superman The Dailies 1941 1942

By Jerry Siegel

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Superman The Sunday Classics

By Jerry Siegel, Joe Shuster

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Superman

By Jerry Siegel, Joe Shuster

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Showcase presents

By Jerry Siegel

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Collects black-and-white reprints of DC comics originally published between 1978 and 1980 in which Superman teams up with Flash, Green Arrow, Aquaman, Sgt. Rock, and many other heroes to fight evil.

Superman tome 5

By Jerry Siegel, Pierre Charras, Joe Shuster

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See No Evil Smallville Series for Young Adults No. 2

By Cherie Bennett, Jerry Siegel, Jeff Gottesfeld

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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.