Walter Seltzer Books

The omega man

By Boris Sagal, Walter Seltzer, Joyce H. Corrington, John William Corrington

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Thanks to biological warfare, human life on Earth has just about been decimated. Los Angeles is a windswept ghost town where Robert Neville drives his convertible through sunlit streets foraging fo...

The Omega Man

By Walter Seltzer, Richard Matheson, John William Corrington, William Peter Blatty, Russell Metty, William H. Ziegler, Joyce Hooper Corrington

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Will Penny VHS

By Walter Seltzer, Fred Engel, Tom Gries, Lucien Ballard, Warren Low

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Soylent Green VHS

By Harry Harrison, Walter Seltzer, Russell Thacher, Richard H. Kline, Samuel E. Beetley, Stanley R. Greenberg

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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.