Charles Sheffield Books

The web between the worlds

By Charles Sheffield

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Sight of Proteus the Web Between Worlds

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Year's Best Science Fiction

By Gardner R. Dozois

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The Best Time Travel Stories Of The 20th Century

By R A Lafferty, Ursula K. Le Guin, L. Sprague De Camp, Robert Silverberg, Joe Haldeman, Theodore Sturgeon, Ray Bradbury, Harry Turtledove, Jack Dann, Henry Kuttner, Nancy Kress, Charles Sheffield, Martin H. Greenberg, Richard Matheson, Connie Willis, Jack Finney, Poul Anderson, Arthur C. Clarke, Larry Niven, John Kessel, Edited By Harry Turtledove With Martin H. Greenberg

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AnthologyProduct DescriptionLEAP INTO THE FUTURE, AND SHOOT BACK TO THE PASTH. G. Wells’s seminal short story “The Time Machine,” published in 1895, provided the springboard for modern science fict...

Future Quartet Earth in the Year 2042

By Jerry Pournelle, Frederik Pohl, Ben Bova, Charles Sheffield

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Tropical Chills

By Tim Sullivan

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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.