Friedman Sharon Books

Grin and bear it!

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A collection of jokes about teddy bears including "What's the best way to catch a teddy bear robber? With a bear-glar alarm."

Cat's out of the bag!

By Friedman Sharon

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A collection of jokes about cats, including "What do you call a cat that hangs out at the bowling lanes? An alley cat."

In the doghouse!

By Friedman Sharon

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A collection of riddles about dogs, such as "What do dogs eat at the movie theater? Pup-corn."

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.