Robert Reginald Books

The Phantom s Phantom

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A pulp mystery magazine entitled The Phantom detective was issued from 1933 to 1953, featuring the character Richard Curtis Van Loan, aka the Phantom. After a 50-year hiatus, author Robert Reginald...

The arms control, disarmament, and military security dictionary

By Jeffrey M. Elliot

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Codex Derynianus

By Katherine Kurtz

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Cumulative Paperback Index 1939 1959

By R. Reginald

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Tempest in a teapot

By R. Reginald

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Polemical pulps

By J. Kenneth Van Dover

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The Attempted Assassination of John F. Kennedy

By Robert Reginald

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Science Fiction Fantasy Book Review The Complete Series 1979 1980

By Robert Reginald, Neil Barron

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Science Fiction and Fantasy Statistics Borgo Reference Library Vol 3

By Robert Reginald

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Reginald s Science Fiction and Fantasy Wards

By Daryl F. Mallett, Robert Reginald, R. Reginald

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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.