Gary Provost Books

100 Ways to Improve Your Writing

By Gary Provost

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Bogart

By Gary Provost, Stephen Humphrey Bogart

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High Stakes: Inside the New Las Vegas

By Gary Provost

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Bogart

By Gary Provost, Stephen Humphrey Bogart

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For countless millions, Humphrey Bogart's screen performances and real-life persona merged to make him one of the world's most fabled figures - a legend of mythic proportions. Or, as his Sam Spade...

Finder

By Gary Provost, Marilyn Greene

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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.