Genevieve Valentine Books

Geek Wisdom

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The essential companion for the geek era: a fusion of inspirational quotes, philosophy, and pop culture drawn from the entire cult-classic canon of film, TV, books, comics, and science.   Cele...

Mechanique

By Genevieve Valentine

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"Outside any city still standing, the Mechanical Circus Tresaulti sets up its tents. Crowds pack the benches to gawk at the brass-and-copper troupe and their impossible feats: Ayar the Strong Man,...

Circus Fantasy Under the Big Top

By Ken Scholes, Genevieve Valentine, Peter Straub, Howard Waldrop, Deborah Walker, Jeff VanderMeer

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Once Upon a Time New Fairy Tales

By Caitlin R. Kiernan, Theodora Goss, Genevieve Valentine, Tanith Lee, Jane Yolen

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Infinity Wars

By Jonathan Strahan

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Clarkesworld Year Seven

By E. Lily Yu, James Patrick Kelly, Vandana Singh, Theodora Goss, Sean Wallace, Sandra McDonald, Genevieve Valentine, Ian McDonald, Aliette De Bodard, Yoon Ha Lee, Neil Clarke

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Clarkesworld Issue 121

By James Patrick Kelly, Michael Swanwick, Nnedi Okorafor, JY Yang, Wanuri Kahiu, Genevieve Valentine, Neil Clarke, Robert Reed, Chi Hui

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Clarkesworld Issue 133

By Nisi Shawl, Finbarr O Reilly, Genevieve Valentine, Gareth L. Powell, Xia Jia, Jack Skillingstead, Neil Clarke, Natalia Theodoridou

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Lost Worlds Mythological Kingdoms

By John Joseph Adams, Tobias S. Buckell, E. Lily Yu, Charles Yu, Jonathan Maberry, Theodora Goss, Carrie Vaughn, Dexter Palmer, Genevieve Valentine, Jeffrey Ford, Seanan McGuire, James L. Cambias, Becky Chambers, An Owomoyela, Darcie Little Badger, Kate Elliott, C.C. Finlay, Cadwell Turnbull

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Circo Mecanico Tresault

By Genevieve Valentine

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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.