Jerry Siegel Books

Showcase presents

Average: 0.00, 0 Ratings

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.

The Superman chronicles

By Jerry Siegel

Average: 0.00, 0 Ratings

The eighth collection of early Superman adventures in which Superman defends Metropolis from a prehistoric caveman, the Lightning Master, and Lex Luthor with super powers.

The Superman chronicles

By Jerry Siegel

Average: 0.00, 0 Ratings

The ninth collection of early Superman adventures in which Superman defends Metropolis from the Merchant of Murder, the Human Bomb, and the World's Meanest Man.

Superman

By Joe Shuster, Jerry Siegel

Average: 0.00, 0 Ratings

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.