Cole William Books

What's good for a three-year-old?

By Cole William

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The three-year-olds at a birthday party describe the things they think are the greatest fun.

Limerick giggles, joke giggles

By Cole William

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Knock knocks you've never heard before

By Cole William

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Knock knock jokes aimed at the brain as well as at the sense of humor.

Knock knocks, the most ever

By Cole William

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A collection of "knock knock" jokes.

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.