Herman B. Vestal Books

Scat

By Justin F. Denzel, Herman B. Vestal

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A cat becomes a movie star, but her only desire is to return to the poor boy who befriended her when she was a stray.

The Story of Winston Churchill

By Herman B. Vestal, Enid LaMonte Meadowcroft, Alida Sims Malkus

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Child of the Sun Leigh Brackett SF Boxed Set

By Hannes Bok, Graham Ingels, Herman B. Vestal, Robert Leydenfrost, Leigh Brackett

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Sword of the Seven Suns Gardner F. Fox SF Collection Space Stories

By Gardner F. Fox, Herman B. Vestal, Vincent Napoli, Joseph Doolin, H. Kiemle

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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.