Charles A. Spano Books

A Spadeful Of Spacetime

By Fred Saberhagen, David Langford, R A Lafferty, Rivka Jacobs, Orson Scott Card, Chad Oliver, Robert Frazier, Steve Rasnic Tem, Charles Sheffield, Connie Willis, Roger Zelazny, Charles A. Spano, Edward Bryant

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TRAVELLERS WITHOUT TIME MACHINES - Raise up the past. Preview tomorrow. Sidestep the laws of the universe. Stroll down hidden, shadowy by-ways of spacetime. Conceived by Fred Saberhagen, best-selli...

Spock Messie

By Theodore R. Cogswell, Charles A. Spano, Theodore Cogswell

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Spock Messiah

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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.