Bill Cotter Books

Little face big face

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Little face, big face Chewing on a twig face! Short face, long face Super-duper STRONG face!Faces can communicate a lot of things! Explore how much you can learn about an animal by looking at it's...

1939 1940 New York World s Fair

By Bill Cotter

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Gentleman s Library The

By James Conlan, Bill Cotter

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Beard in a box

By Bill Cotter

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Wanting to be more like his father, a young boy spends all of his money on a product that will supposedly let him grow a beard almost instantly.

Don t push the button

By Bill Cotter

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The only rule in Larry's book is that the reader not push the button, but when no one is looking, it may be irresistible.

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.