Andrew North Books

Plague Ship

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The tramp-freighter spaceship Solar Queen had exclusive trading rights to Sargol and its fabulous gems. But the crew's bravery and resourcefulness strained to the breaking point as they met Sargol...

Dane Thorson of the space-trader Solar Queen found himself embroiled in a desperate battle of minds between the rational science of the spaceways and the hypnotic witchcraft of the mental wizard th...

Fantasy Book 3 1948

By Festus Pragnell, Andrew North, A. E. Van Vogt

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War and Peace and War

By Andrew North

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War and Peace and War

By Andrew North

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Trekking in Bolivia

By Andrew North, Yossi Brain

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Our Game Too

By Andrew North, Len Levin, Bill Nowlin

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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.