Darrell Schweitzer Books

Cthulhu's Reign

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All original stories about the return of Cthulhu and the Old Ones to Earth. Some of the darkest hints in all of H.P. Lovecraft's Cthulhu Mythos relate to what will happen after the Old Ones retur...

The Secret History Of Vampires

By Darrell Schweitzer

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The Secret History Of Vampires

By Darrell Schweitzer

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Garlic cloves and wooden stakes are no match for centuries of the undead's mischief and seduction. Here are thirteen original and imaginative stories that reveal the vampiric truths behind certain...

Windows of the imagination

By Darrell Schweitzer

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Tom O'Bedlam's night out and other strange excursions

By Darrell Schweitzer

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Tom O'Bedlam's night out and other strange excursions

By Darrell Schweitzer

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Sherlock Holmes Mystery Magazine 2

By Gary Lovisi, Sir Arthur Conan Doyle, Darrell Schweitzer, Ron Goulart

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Cthulhu's Reign

By Darrell Schweitzer

Average: 0.00, 0 Ratings

All original stories about the return of Cthulhu and the Old Ones to Earth. Some of the darkest hints in all of H.P. Lovecraft's Cthulhu Mythos relate to what will happen after the Old Ones retur...

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.