Barry Geller Books

You turned the fables on me

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Five humorous fables include "Hans Handerson and His Sons Hans," "The Golden Heart," "No Lean Diet," "Mazda," and "Louis the Lap."

The transcendental meditation TM book

By Denise Denniston

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Country and Blues Harmonica for the Musically Hopeless Klutz

By Jon Gindick, Barry Geller

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Letters To Wear

By Mark Publishing, Barry Geller

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Victorian Silk Flowers and Lace

By Barry Geller

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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.