Michael Betrus Books

202 Great Resumes

By Jay A. Block, Michael Betrus

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2500 Keywords to Get You Hired

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Great Answers, Great Questions For Your Job Interview, 2nd Edition

By Jay A. Block

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"'Great Answers, Great Questions for Your Job Interview' prepares you to answer the trickiest questions and make yourself stand out from the competition. From pre-interview research to follow-up c...

Covid 19 the Science vs. the Lockdowns

By Michael G. Betrus

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101 Best Resumes: Endorsed by the Professional Association of Resume Writers

By Jay A. Block

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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.