Ivar Jorgenson Books

They Came From Outer Space: 12 Classic Science Fiction Tales That Became Major Motion Pictures

By ROBERT SHECKLEY, GEORGE LANGELAAN, Paul W. Fairman, Ivar Jorgenson, Ray Bradbury, Raymond F. Jones, Ib Melchior, Henry Kuttner, Harlan Ellison, John W. Campbell Jr, Arthur C. Clarke, Jim Wynorski, Harry Bates

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Features twelve original science-fiction stories that were the basis for films such as "Dr. Cyclops," "The Thing From Another World," "The Day the Earth Stood Still," "The Fly," and "2001: A Space...

Deadly City

By Ivar Jorgenson

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Deadly City

By Ivar Jorgenson

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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.