Norman G. Hickman Books

The quintessential quizbook: Being a compendium of curious words, derivations, literary allusions, and little-known oddities of fact and fiction

By Norman G. Hickman

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Quintessential quizzes

By Norman G. Hickman

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More quintessential quizzes

By Norman G. Hickman

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The Ultimate Quiz Book: 2

By Norman G. Hickman, Hickman

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Ten questions each, with answers, on 143 different topics including automobiles, British cooking, curious derivations, television, U.S. presidents, and World War II.

The quintessential quiz book

By Norman G. Hickman

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The ultimate quiz book

By Norman G. Hickman

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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.