Gurney Williams Books

True escape and survival stories

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Presents accounts of seven instances of escape and survival in addition to offering tips for surviving in the desert, forest, jungle, and mountains.

Writing careers

By Gurney Williams

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Explores the many different types of writing careers and outlines the type of education and experience required for each.

Ghosts and poltergeists

By Gurney Williams

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Reports experiences with ghosts and poltergeists, questions their validity, and explains what to do if one sees a ghost.

Twins

By Gurney Williams

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Discusses the occurrence of identical and fraternal twins and the growth and development of people who are twins.

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.