William E. Butterworth III Books

Tires & other things

By William E. Butterworth III

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Moose, the thing, and me

By William E. Butterworth III

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Things are wild enough at the Ludwell School before Moose Hanrahan's arrival, but Moose's incredible size adds an entirely new dimension to school hijinks.

The Corps

By William E. Butterworth III

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The Corps

By William E. Butterworth III

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PT2 Honor Bound

By William E. Butterworth III

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Griffin

By William E. Butterworth III

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Griffin

By William E. Butterworth III

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PT2 The Murderers

By William E. Butterworth III

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The Investigators

By William E. Butterworth III

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Corps 08

By William E. Butterworth III

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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.