Robert Gorrell Books

Modern English Rhetoric and Handbook

By Robert M. Gorrell

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Watch your language!

By Robert M. Gorrell

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Most language mavens seem to come not to praise English, but to bury it; they constantly warn us of the imminent demise of our mother tongue. Not to worry, says Robert Gorrell. In this lively, play...

What's in a word?

By Robert M. Gorrell

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"Modern English is rich in words derived from sources as diverse as classical Latin and Greek, Indonesian and other Asian languages, European mythology and religion, and the popular culture of many...

FACULTY FOR MURDER

By Robert Gorrell

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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.