Jerry Siegel Books

Funnyman Volume 1

By Rick Phillips, Jerry Siegel, Joe Shuster

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Nature Boy

By Rick Phillips, Jerry Siegel, John Buscema

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Superman: The Golden Age Omnibus Vol. 1 (2025 Edition)

By Jerry Siegel

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These groundbreaking classic stories--which cemented superman's place as the medium's most enduring hero--are gathered for the first time in this singular, expansive collection.Faster than a speedi...

Super Sons: The Complete Collection Book Two

By Jerry Siegel

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The Super Sons are back—bigger, bolder, and in more trouble than ever in this action-packed complete collection!The sons of Superman and Batman are back for more high-stakes adventures across...

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.