George W. Proctor Books

The Science Fiction Hall Of Fame, Vol. 3

By George W. Proctor, Arthur C. Clarke, Science Fiction Writers Of America.

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ix Introduction (Science Fiction Hall of Fame Volume III) (1981) essay by Arthur C. Clarke 2 "Repent, Harlequin!" Said the Ticktockman (1965) shortstory by Harlan Ellison 15 The Doors of His...

Enemies

By George W. Proctor

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BEFORE HONOR

By George W. Proctor

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The Beasts Of The Mist

By George W. Proctor, Robert E. Vardeman, Robert Vardeman, Geo. W. Proctor

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Some page discoloration. Otherwise, in very good condition.

Timesearch

By George W. Proctor, George Proctor

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For Crown And Kingdom

By George W. Proctor, Robert E. Vardeman

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Starwings

By Copyright Paperback Collection (Library Of Congress), George W. Proctor, Proctor, George W

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The two branches of humanity are preparing for battle in what may be their final civil war...when suddenly a giant ship appears. It is the Seeker, a voyager sent out centuries before to explore an...

Stellar Fist

By Geo.W. Proctor, George W. Proctor, George Proctor, George Proctor, George W. Proctor

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MIND-KILLERS Arianne Pillan had resigned from the Confederation. A former agent gifted with psiotic abilities-nothing could lure her back into service. Nothing, that is, except for two things... On...

To Demons Bound

By George W. Proctor, Robert E. Vardeman, Robert Vardeman, Robert E. Vardeman & George W. Proctor

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Share the adventure!The long-awaited return of TO DEMONS BOUND, the first volume in the SWORDS OF RAEMLLYN series by Robert E Vardeman and Geo W Proctor brings you Davin Anane and his giant other-w...

Fire At The Center

By George W. Proctor, G. Proctor

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Mass market paperback

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.