Hoffman, David, 1953- Books

Who Knew?

By David Hoffman, Hoffman, David, Hoffman, David, 1953-

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Who Knew' is a collection of tidbits and trivia about well-known personalities and products that we all are familiar with-or at least think we're familiar with. For example, did you know that the V...

The Breakfast Cereal Gourmet

By David Hoffman, Hoffman, David, 1953-

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Ever since the first bowl was poured more than a century ago, people the world over have craved cereal. The Breakfast Cereal Gourmet celebrates this morning meal pop culture icon, serving up over 3...

I never knew that

By Hoffman David

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"From quirky trivia to quintessential knowledge, these eye-opening tidbits about the well-known people, places, and products you love will have readers of all ages wondering what else they never kn...

Kid stuff

By Hoffman David

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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.