Paul Ruditis Books

Battlestar Galactica vault

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For over thirty years, science-fiction fans have been enthralled by Battlestar Galactica and the captivating saga of humanity's war with the chilling Cylons. From its innovative special effects to...

Mind Games

By J. J. Abrams, Paul Ruditis

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Celebrate 50 years of one of the longest running and beloved sci-fi franchises with "The Star Trek Book." This comprehensive guide to the series delves into the myriad worlds and different dimensio...

A very Klingon Khristmas

By Paul Ruditis

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"Recounts, in rhyming verse, the treasured children's story of the birth of the revered warrior Kahless and celebrates the rich Klingon Khristmas traditions originating on Qo'noS and spreading acro...

Bones

By Paul Ruditis

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Bones

By Paul Ruditis

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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.