Alan Katz Books

Take me out of the bathtub and other silly dilly songs

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Well-known songs, including "Oh Susannah" and "Row Row Row Your Boat," are presented with new words and titles, such as "I'm So Carsick" and "Go Go Go to Bed."

Where did they hide my presents?

By Alan Katz

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Well-known Christmas songs, including "O Christmas Tree" and "Deck the Halls," are presented with new words and titles, such as "Toy Catalogs" and "At the Mall."

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.

Alan Katz Books

Poems from under my tree

Take me out of the bathtub and other silly dilly songs

I m Still Here in the Bathtub

Where did they hide my presents?

On Top of the Potty

Don t Say That Word

Stinky Thinking

Maternity the Musical

The Flim flam Fairies

The cat not in the hat!

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?