Thomas Mase Books

What's gnu?

By Thomas Mase

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A collection of animal riddles, including "What do tortoises wear to keep warm? Turtleneck sweaters."

Grin and bear it

By Irene Shere, Thomas Mase, Diane L. Burns, John Jansen

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Presents a variety of jokes about animals.

Grin and Bear It

By Irene Shere, Thomas Mase, Diane L. Burns, John Jansen

Average: 0.00, 0 Ratings

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.