William Gilkerson Books

The ships of John Paul Jones

By William Gilkerson

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The scrimshander

By William Gilkerson

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The scrimshander

By William Gilkerson

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The scrimshander

By William Gilkerson

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Text and illustrations introduce the history and techniques of whale ivory carving and engraving. Includes contemporary examples of scrimshaw and discusses the future of this art form.

Boarders away

By William Gilkerson

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Boarders Away Volume II

By William Gilkerson

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Boarders Away

By William Gilkerson

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Ultimate voyage

By William Gilkerson

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Ultimate Voyage

By William Gilkerson

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Pirate's passage

By William Gilkerson

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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.