Helen Marshall Books

Not Having Children

By Helen Marshall

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Westminster Abbey V2

By Helen Marshall Pratt

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The Spectral Book of Horror Stories

By Ramsey Campbell, Mark Morris, Alison Littlewood

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Worlds seen in passing

By Irene Gallo

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Worlds Seen in Passing is an anthology of award-winning, eye-opening, genre-defining science fiction, fantasy, and horror from Tor.com's first ten years, edited by Irene Gallo.

Chilling tales

By Michael Kelly

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Fearful Symmetries

By Helen Marshall, Brian Evenson, Carole Johnstone, Garth Nix, Michael Marshall Smith, Jeffrey Ford, Laird Barron, Robert Shearman, Nathan Ballingrud, Pat Cadigan, Ellen Datlow, Gemma Files, Bruce McAllister, Stephen Graham Jones

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Winner of the Bram Stoker and Shirley Jackson Awards: “Twenty insanely inventive, hauntingly atmospheric and flat out coo coo for Cocoa Puffs stories” ( Hellnotes ). A World Fantasy Award nominee,...

Imaginarium 3 The Best Canadian Speculative Writing The Imaginarium Series

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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.