Keith Laumer Books

Worlds of If

By John Sentry, Don Thompson, Jr. Ed M. Clinton, Frank M. Robinson, Mark Clifton, Jr. James McKimmey, Mari Wolf, Robert J. Shea, Lynn Venable, Arnold Castle, William Campbell Gault, Jim Harmon, Kenneth O Hara, Frank W. Coggins, Sam Merwin Jr., R. A. Lafferty, E. Everett Evans, Charles L. Fontenay, M. C. Pease, Gene Hunter, Keith Laumer, Tom Leahy, Lester Del Rey, Tom Godwin, Albert Hernhuter, Milton Lesser, Charles E. Fritch, Albert Teichner, Richard O. Lewis, Winston Marks, Charles V. De Vet, Kris Neville, Kurt Vonnegut, Arthur G. Hill, Edward Elmer Smith, Horace B. Fyfe

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Worlds of If

By Arthur Dekker Savage, Dave Dryfoos, R. R. Winterbotham, Frank M. Robinson, Charles Fontenay, Mark Clifton, Jr. James McKimmey, Mari Wolf, Jesse F. Bone, Mack Reynolds, Andersen Horne, Jim Harmon, Kenneth O Hara, R. A. Lafferty, Alvin Heiner, Alan Edward Nourse, Russell Burton, Don Berry, Keith Laumer, Robert Moore Williams, Richard Wilson, L. Major Reynolds, James Blish, Alfred Coppel, Milton Lesser, Winston Marks, H. B. Fyfe, Jerome Bixby, August Derleth, Ralph Sholto, Boyd Ellanby, Alex Apostolides

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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.