Leon E. Stover Books

Apeman, spaceman

By Leon E. Stover

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Stonehenge and the origins of western culture

By Leon E. Stover

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Stonehenge

By Leon E. Stover, Harry Harrison

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The War of the Worlds

By Leon E. Stover, H. G. Wells

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"H. G. Wells' novel, a "scientific romance," attained perhaps its greatest fame in another form, the infamous realistic 1939 radio broadcast "Invasion from Mars" by the redoubtable Orson Welles. It...

Stonehenge city

By Leon E. Stover

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"Stonehenge, the megalithic monument in southern England that dates in its Bronze Age phase to 2000 B.C. (but with a history stretching back yet another thousand years to Neolithic times), attracts...

Imperial China and the State Cult of Confucius

By Leon Stover

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Harry Harrison

By Leon E. Stover

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Robert A. Heinlein

By Leon E. Stover

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China

By Leon E. Stover

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China

By Leon E. Stover

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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.