Martin H. Greenberg Books

Murder most Confederate Murder most Celtic

By Martin H. Greenberg, Abigail Browning

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A collection of 64 stories of murder and mayhem by various authors.

Masterpieces of Mystery and Suspense

By Martin H. Greenberg

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After the King: Stories in Honour of J.R.R.Tolkien

By Jean Little, Martin Greenberg

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After The King: Stories In Honour Of J.R.R. Tolkien

By Jean Little, Martin Greenberg

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The Best Time Travel Stories of the 20th Century

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LEAP INTO THE FUTURE, AND SHOOT BACK TO THE PAST H. G. Wells’s seminal short story “The Time Machine,” published in 1895, provided the springboard for modern science fiction’s time travel explos...

Cat Crimes for the Holidays

By Jean Little, Edward Gorman, Larry Segriff

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CELEBRATE THE HOLIDAYS WITH FAMILY AND FELINESIn these nineteen original tail-twitching tales of mystery, cats from Maine coon to Scottish fold, tabby to Siamese, white Persian to calico crack all...

Science Fiction of the Forties

By Joseph D. Olander, Martin H. Greenberg, Frederik Pohl

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14 vicious valentines

By Rosalind M. Greenberg, Charles Waugh, Martin H. 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.