Martin Harry Books

Lovecraft'S Legacy: A Centennial Celebration Of H.P. Lovecraft

By Weinberg, Robert E., Greenberg, Martin H. Greenberg, Robert E. Weinberg, Martin Harry

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H.P. Lovecraft is one of the most influential modern horror writers. Lovecraft's fiction is a category unto itself. Eschewing the traditional werewolves, vampires, and ghosts of most horror fiction...

Young Extraterrestrials

By Isaac Asimov, Martin Greenberg, Charles G. Waugh

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Treasury of Fantasy

By Jean Little, Margaret Weis

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Newberry Zoo

By Jean Little

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For the Good of the Firm

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Black Cats and Broken Mirrors

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Battle Magic

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Isaac Asimov

By Jean Little

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Issac Asimov Countdown 2000

By Jean Little

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Best Fantasy Value Collection I Fantasy Library

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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.