Hal Schuster Books

Trek: The Unauthorized A-Z

By Hal Schuster, Wendy Rathbone

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The Trekker's guide to Voyager

By Hal Schuster

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The Trekker's guide to the Next generation

By Hal Schuster

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The Trekker's guide to Deep Space Nine

By Hal Schuster

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The Avengers files

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Discusses the comic book heroes known as the Avengers and West Coast Avengers, groups of super-types, each possessing a special power; and interviews writers of their adventures.

Star Trek 20th Anniversary Tribute

By Hal Schuster

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Presents an overview of the Star Trek phenomenon after twenty years in which it ventured into television and movies.

Comics file magazine spotlight on the Spider-Man file

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A history of Spider-Man and an interview with the writers.

Sons of X-men

By James Van Hise

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Describes the origins, stories, and mutant characters of the X-Men comic book series.

The Howard the Duck files

By Martin Cannon

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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.